- None of the three remaining Republican presidential candidates would guarantee Tuesday night that they would support the eventual GOP nominee for president, departing from previous vows to do so and injecting new turmoil into an already-tumultuous contest.
- Front-runner Donald Trump, Texas Sen. Ted Cruz and Ohio Gov. John Kasich were each given a chance during a CNN town hall in Milwaukee to definitively state they would support the nominee, but all three declined to renew their "loyalty pledge."