U.S. Senator Klobuchar joins Democratic presidential field

FILE PHOTO: Senator Amy Klobuchar (D-MN) attends the National Prayer Breakfast in Washington, U.S., February 7, 2019. REUTERS/Kevin Lamarque

(Reuters) - U.S. Senator Amy Klobuchar entered the 2020 presidential race on Sunday, becoming the first moderate in an increasingly crowded field of Democrats vying to challenge Republican President Donald Trump.

Klobuchar becomes the fifth U.S. senator to announce her candidacy, and the fourth woman in the chamber.