Iowa caucus results: live coverage

Four years ago, Twitter wasn't a major factor in Iowa caucus coverage. Now it's ubiquitous, with everyone from cub bloggers to seasoned veterans chiming in with stump speech quotes, camera-phone photos and knee-jerk analysis.

3 (Bloomberg) — As Iowa Republicans take in the final appeals before tonight's caucus voting, one major lesson the candidates will take away: Going negative works. An estimated $5.8 million was spent on television advertising in Iowa through Dec.

Heading into Tuesday night's Iowa caucuses, the race for the Hawkeye State appeared to be heading toward a photo finish.

“The caucus process doesn't take you to one easy, clear-cut result,” he said. “But if you're into the nuance of it, there's a lot of information on to be gleaned and learned from.” He noted that few Iowa caucus winners have gone on to win the

3 (Bloomberg) — As Iowa Republicans take in the final appeals before tonight's caucus voting, one major lesson the candidates will take away: Going negative works. An estimated $5.8 million was spent on television advertising in Iowa through Dec.