The Supreme Court on Thursday struck down Minnesota's broad ban on wearing "political apparel" at the polls, ruling the law violates the free speech rights of voters.
Me" button and Tea Party shirt at his polling place.
"While that choice is generally worthy of our respect, Minnesota has not supported its good intentions with a law capable of reasoned application."
The Supreme Court in 1992 upheld a Tennessee law prohibiting campaign materials within 100 feet of a polling place.
About 11 states and the District of Columbia go further, banning anyone wearing "political badges, political buttons, or other political insignia to be worn at or about the polling place" on election day.