Republican presidential candidate Sen. Ted Cruz (R-TX) greets people during his campaign event at the Noah's Event Venue on January 27, 2016 in West Des Moines, Iowa.
Can Ted Cruz, a former Canadian citizen, be president?
04:12 - Source: CNN

Story highlights

Ted Cruz's Canadian birth has become a key campaign issue as the Texas Senator mounts a challenge to Donald Trump in Iowa

Cruz was born a U.S. citizen since his mother was an American living in Canada

Calgary, Alberta CNN