The high court on Thursday struck down Minnesota's broad ban on "political" apparel inside polling places. But justices said similar, more narrowly written laws in other states are likely fine.
Polling places are a politics-free zone. Could that change with a Supreme Court case out of Minnesota? The court is hearing arguments in a key case on this Wednesday.
Donald Trump is calling on Pennsylvania voters to also monitor polling places for fraud. The effort has prompted fears for the integrity of the electoral process.