//EXPLAINER: Why the vote in Wisconsin, Michigan and other states tightened overnight Tuesday

EXPLAINER: Why the vote in Wisconsin, Michigan and other states tightened overnight Tuesday

Overnight, as election officials counted mail-in ballots in Wisconsin, Georgia, Pennsylvania, Michigan and other states, the race for the presidency tightened. Wednesday evening, the Associated Press named Democrat Joe Biden the winner in Wisconsin and Michigan. President Donald Trump suggested, without evidence, that “surprise ballot dumps” influenced those lead changes.Trump said in a tweet mid-morning Wednesday: “Last night I was leading, often solidly, in many