Joe Lieberman was first elected to the U.S. Senate in 1988. In 2000, Democratic presidential nominee Al Gore tapped him as his vice presidential pick. After Gore declined to run in 2004, Lieberman entered the race but dropped out February 3 after failing to win a single race.
Total Delegates shows CNN's total current delegate count for each candidate
and may include delegates not accounted for in the summation of the current
delegate counts listed above by state. Visit the Delegate
Scorecard for a complete look at the delegate count. For more about the
current and intial delegate counts as well as the delegate selection
process, click
here. Instead of releasing caucus vote totals, the Iowa and Idaho Democratic Parties release a total indicating the number of delegates to the state convention each candidate will receive.
• How does CNN project winners in races? Click here.
• Exit polls are a survey of selected voters taken soon after they leave their voting place. Pollsters use this sample information, collected from a small percentage of voters, to track and project how all voters or specific segments of the voters sided on a particular race or ballot measure. For more on how to read exit polls, click here.
Total Delegates shows CNN's total current delegate count for each candidate
and may include delegates not accounted for in the summation of the current
delegate counts listed above by state. Visit the 
Instead of releasing caucus vote totals, the Iowa and Idaho Democratic Parties release a total indicating the number of delegates to the state convention each candidate will receive. 
