Sanders seeks to elevate progressive Senate candidates amid Democratic divide

Sen. Bernie Sanders (I-Vt.) is wading into a fistful of Senate races arsenic the progressive helping of the Democratic Party looks to asseverate its influence.  Sanders has endorsed 3 Senate candidates truthful far: Minnesota Lt. Gov. Peggy Flanagan (D) successful the contention to win retiring Sen. Tina Smith (D-Minn.); oyster husbandman Graham Platner successful Maine;…