But some challengers lost, and their overall wins were a modest number compared with the 535 House and Senate members. Kessler wasn't impressed with the three progressive...

FILE - In this Feb. 25, 2020 file photo, Democratic presidential candidates, Sen. Bernie Sanders, I-Vt., left, and former Vice President Joe Biden, talk before a Democrat...

FILE - In this March 6, 2020 file photo, Rep. Rashida Tlaib, D-Mich., speaks at a campaign rally in Detroit. Her opponent in the primary was Detroit City Council Presiden...