Anti-Donald Trump forces are launching a "multi-pronged" approach to stop the presumptive nominee at the Republican National Convention, which could lead to chaos on the floor, NBC News reported.
Kendal Unruh, a Colorado delegate, is the leader of the effort, which centers around changing convention rules to include a "conscience clause" that would allow delegates bound to Trump to vote against him -- even on the first ballot in July.
According to Unruh, there's been growing interest in her proposal since last week, and many delegates she's hearing from already believe they aren't bound under RNC rules to back Trump.
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Trump's strategists involved with delegate operations have downplayed the prospect, with one adviser telling NBC News they believe they have the "overwhelming majority" of delegates on the Rules Committee supporting Trump.