Primary results: Donald Trump, Hillary Clinton score key Western victories

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Clinton: Contest between fundamentally different views

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Hillary Clinton and Donald Trump on the 'woman card'

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Super Tuesday in under 90 seconds

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Republican frontrunner Donald Trump speaks at Trump Tower in New York on April 26 after winning primaries in Pennsylvania, Maryland, Connecticut, Rhode Island and Delaware.

Donald Trump: I'm winning, why should I change?

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Clinton: Our campaign is about restoring confidence

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Van Jones: Donald Trump's sweep a 'bizarre outcome'

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Sanders: We have bigger lead over Trump than Clinton

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Ted Cruz: Trump 'likely to win some states'

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Trump: Hillary will be easier to beat than others

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HAGERSTOWN, MD - APRIL 24: Republican presidential candidate Donald Trump speaks while campaigning at the Hagerstown airport April 24, 2016 in Hagerstown, Maryland. Maryland holds their presidential primary on Tuesday, along with Delaware, Pennsylvania, Rhode Island and Connecticut. (Photo by Win McNamee/Getty Images)

Polls shows voters warming towards Trump nomination

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3 things to watch for on Super Tuesday 4

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Jane Sanders: Bernie 'will not play role of spoiler'

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Democratic presidential candidate former Secretary of State Hillary Clinton speaks during her primary night gathering on March 15, 2016 in West Palm Beach, Florida.

Highlights from Super Tuesday 3 speeches

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Highlights from the Super Tuesday 2 speeches

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The best of the Super Tuesday speeches

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Six hours of Super Tuesday coverage in 2 minutes

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'SNL' mocks Trump's hand-size feud

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What is a brokered convention?

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Two victory speeches, two different messages

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Super Tuesday scenarios: Can Sanders slow Clinton?

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HOUSTON, TX - FEBRUARY 25: Republican presidential candidates Florida Sen. Marco Rubio (R-FL), Donald Trump, and Texas Sen. Ted Cruz (R-TX) stand on stage for the Republican National Committee Presidential Primary Debate at the University of Houston's Moores School of Music Opera House on February 25, 2016 in Houston, Texas. The candidates are meeting for the last Republican debate before the Super Tuesday primaries on March 1. (Photo by Joe Raedle/Getty Images)

Super Tuesday scenarios: Can Donald Trump be stopped?

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Bernie Sanders speaks during a campaign rally at West High School on March 21, 2016 in Salt Lake City, Utah.

Bernie Sanders: We're gaining on Clinton

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CNN projection: Trump, Clinton win Arizona Primary

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Six hours of Super Tuesday #3 on CNN in 2 minutes

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Projection: Gov. John Kasich, Hillary Clinton win Ohio

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Republican presidential candidate Ohio Governor John Kasich casts his ballot in Westerville, Ohio.

John Kasich: I will not take the low road

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Donald Trump: We have to bring our party together

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CHARLOTTE, NC- MARCH 14: Democratic presidential candidate former Secretary of State Hillary Clinton speaks during a Get Out the Vote event at Grady Cole Center on March 14, 2016 in Charlotte, North Carolina. Hillary Clinton is campaiging Illinois and North Carolina. (Photo by Justin Sullivan/Getty Images)

Hillary Clinton: We're moving closer to the nomination

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RENO, NV - FEBRUARY 23: Republican presidential candidate Donald Trump speaks at a rally at the Nugget February 23, 2016 in Sparks, Nevada. The Nevada GOP caucus is tonight. (Photo by David Calvert/Getty Images)

Donald Trump: Marco Rubio has a great future

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Marco Rubio drops out of presidential race

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Bernie Sanders defiant despite primary losses

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John Kasich
ph: Nigel Parry

John Kasich: We're proud of what we've done

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Projection: Donald Trump, Hillary Clinton win Florida

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SHELBURNE, MA - MARCH 01: Voters check in before casting their ballots in the Shelburne Town Hall on March 01, 2016 in Shelburne, Massachusetts. Officials are expecting a record turnout of voters in Massachusetts, one of a dozen states holding Super Tuesday presidential primaries or caucuses. (Photo by Matthew Cavanaugh/Getty Images)

High stakes for GOP on Super Tuesday

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John Kasich casts his vote in Ohio

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The assassination of Julius Caesar (100 - 44 BC) at the Senate in Rome, 15th March 44 BC. (Photo by Archive Photos/Getty Images)

Politicians, beware the Ides of March

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Sanders hopes to replicate Michigan magic in Ohio, Illinois

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Primary results: Front-runners score key Western victories