CNN

Wearing a T-shirt like this one may cause you a problem at the polls in November.

ARLINGTON, Virginia (CNN) - Campaign paraphernalia is everywhere nowadays. People are sporting T-shirts, hats and pins touting their candidate of choice. But wearing your political allegiances can cause a problem at the polls.

In some states, what you wear to the voting booth could determine whether you are allowed to vote or be sent home to change.

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