U.S. Senate election in Lawrence, Massachusetts has at least one instance of voting irregularity. The video does not say whether the woman voter was Republican or Democrat, but it is clear she was asked about her party before being given a provisional ballot. I would be laughed out of my polling place if I tried to vote without my name showing on the registration logs.
I’ve just added a second video – a bit more detailed, below the first. You may want to watch the second before the first.