After nearly a year of campaigning, the first official ballots of the 2016 election were cast in Iowa and Ted Cruz won the the Republican contest. CBS News has a .
Republican caucus-goers have propelled Texas Sen. Ted Cruz to victory in Iowa. (Feb. 1) Subscribe for more Breaking News: .
Republican presidential candidate thanks supporters after placing third in the Iowa caucuses.
Ted Cruz won the Iowa Republican caucuses Monday night, beating front-runner Donald Trump in a vital victory that could shake up the primary race.