“It’s a vanity effort run by a delusional candidate,” said Ryan Williams, a spokesman for Mitt Romney’s 2012 campaign. “This is not a campaign run by self-aware people who understand what’s happening in the Republican Party or how math works.”…

Nonetheless, the Ohio governor is unapologetically soldiering on in hopes of scooping up enough delegates to block Trump from hitting that magic number.
Kasich’s campaign argues that he’s better positioned than Cruz to do well in upcoming contests in the Northeast, the Midwest and in states along the Pacific Coast.

And if the anti-Trump forces can marshal enough delegates to keep the front-runner from a majority, it would force a contested convention, where Kasich’s supporters believe they’ll have a compelling argument to make to the delegates who would decide the nomination.