Maine Senate race shake-up: What Graham Platner's exit means. Join the live discussion

What will happen in the Maine Senate race after Graham Platner suspended his campaign? The discussion ranges from the latest polling to key deadlines and who Democrats might turn to next in the contest against incumbent Sen. Susan Collins (R-Maine).

What will happen in the Maine Senate race after Graham Platner suspended his campaign? The discussion ranges from the latest polling to key deadlines and who Democrats might turn to next in the contest against incumbent Sen. Susan Collins (R-Maine). Plus, where things stand in Texas and other competitive Senate contests in Georgia, Alaska and...