Biden slumps, Buttigieg soars: 6 takeaways from benchmark Iowa poll

Just hours before presidential candidates will pitch themselves to Iowa Democratic activists in the first-in-the-nation caucus state, a new poll of likely caucusgoers is rattling the race — and hinting that a formidable front-runner is not as invincible as he might appear.
The Iowa Poll, conducted by veteran pollster Ann Selzer for The Des Moines Register and CNN, found former Vice President Joe Biden leading the Democratic field with 24 percent of the vote.