Why is Elizabeth Warren’s campaign lagging?

U.S. Senator Elizabeth Warren speaking with attendees at the 2019 California Democratic Party State Convention at the George R. Moscone Convention Center in San Francisco, California. Credit: Gage Skidmore.

Massachusetts Senator Elizabeth Warren is in fourth place among New Hampshire Democratic primary voters, according to a new poll. She’s tied with former Vice President Joe Biden, and behind Bernie Sanders, Pete Buttigieg, and Amy Klobuchar. Why is she trailing in her own backyard?