Buttigieg and Biden Fight For Iowa voters

Presidential candidates Joe Biden and Pete Buttigieg are fighting it out in Iowa to be the top choice among a particular group of voters.

Smallest field of Dems takes stage in Los Angeles

Standing on a stage that was the least diverse and most male-dominated of the entire campaign, the top Democratic presidential candidates engaged in a heated discussion over how to make their party -- and government more broadly -- reflect the diversity of the country.