Alaska and Texas.
Sullivan just barely won over Begich (the second consecutive cycle for that class where that seat was decided by a few thousand votes) yet everyone thinks it's a lost cause for Democrats. There's a decent D bench in the state.
Everyone always argues "Cornyn's not as controversial as Cruz," but he's also never had a tough general election battle. They just need a candidate to run a Beto-esque campaign (if not Beto himself). Remember, Texas was relatively close at the presidential level in 2016.
But it was partly because Trump was controversial, just like Ted Cruz and not only Cornyn is less controversial than Cruz like they say but he is also less controversial than Trump.
Trump still won Texas by 9 points in 2016, which is quite large.
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