A field report from TPM Reader JW:

I just got back from voting in Greenville, SC. The weather is sunny, about 48 degrees.

Inside the polling place....tumbleweeds. I was the only one there, and
no one came in during my entire visit.

There was a cryptic note taped to the door that read "Voters must choose
a political party." Since this is an open-primary state, I asked the
workers what that meant. She said that you must say you are voting in
the democratic primary.

In my mind, if I was a registered independent and read that sign I might
just walk away. I notified my candidate's field office and they're
looking into it.