Democrats Klobuchar, Warren join crowded 2020 field
Clip: 02/12/2019 | 2m 20s
Minnesota Democrat Amy Klobuchar became the fifth senator and fifth woman to announce she's joining the crowded 2020 race to take on President Trump. Meanwhile, Massachusetts Sen. Elizabeth Warren made her campaign official. Judy Woodruff reports.
Aired: 02/12/19Video has closed captioning.