How candidates in Senate battlegrounds are closing out their races

There’s a ton of action in the Senate battlegrounds today ahead of what Republicans are hoping will be a good night for them.

All of these races are going to be extremely close. While we can say with some confidence that Republicans will win control of the Senate, what’s unclear is whether this will be a razor-thin, potentially perilous majority or one that gives GOP leaders a chance to actually get things done over the next two years.