Via Politico:

The reality of a contested convention has become more real than ever, with Donald Trump facing the risk of losing Wisconsin next week, meaning he’d have to win roughly 60 percent of the remaining delegates to win the Republican presidential nomination outright.

If Trump heads into the convention without the magic number of 1,237, already more than a hundred delegates are poised to break with him on a second ballot, according to interviews with dozens of delegates, delegate candidates, operatives and party leaders.

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