Conventional wisdom has solidified in recent weeks: Nothing will change Republican minds about Trump. Perhaps that's true. But let's stop pretending we know more than we do. We've never seen this before.
Since the start of the year, the Florida governor has lost about half the support he had in polls. In early primary states, he's at risk of losing his status as Trump's main challenger. And Republican voters don't seem to be buying his pitch.
California has provided a lot of data to researchers studying gun violence, but legal challenges and congressional feuding could put that research in jeopardy.
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