Sanders seeks to elevate progressive Senate candidates amid Democratic divide

Sen. Bernie Sanders (I-Vt.) is wading into a handful of Senate races as the progressive wing of the Democratic Party looks to assert its influence. Sanders has endorsed three Senate candidates so far: Minnesota Lt. Gov. Peggy Flanagan (D) in the race to succeed retiring Sen. Tina Smith (D-Minn.); oyster farmer Graham Platner in Maine;...