Which states do the GOP pickup (updated)?

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Arkansas, Alaska, Louisiana and maybe Colorado, although I'm less confident about it than about the first three.  I am exactly 50/50 on Iowa, although if I had to say where it ends up I'd probably give Ernst the edge.  North Carolina will be a lot closer than people seem to think, but it likely favors Hagan

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I'm expecting really good things from the gold standard of Iowa polling tonight:

Ernst +3 or +4.

That would mean that, of the states listed here, the GOP would net CO, AR, AK, LA, and now IA.  I think that NC will wind up very tight, though I don't know who wins.

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Results for all of these races!

Iowa:  Ernst, 50%; Braley 48%
Alaska:  Sullivan, 51%; Begich 46%
North Carolina:  Hagan, 48%; Tillis, 46%
Arkansas:  Cotton, 55%; Pryor, 44%
Louisiana (runoff):  Cassidy, 51%; Landrieu, 49%
Colorado:  Gardner, 51%; Udall, 48%
New Hampshire: Shaheen, 53%; Brown, 45%
Michigan: Peters 52%; Land, 47%