Byron York wants to know, here:
MILWAUKEE — The Wisconsin Republican primary is so critical to Donald Trump that, after having pledged "I'll be here all week" to his supporters, Trump promptly departed to Washington and other destinations for a couple of days off the trail prior to next Tuesday's vote.
The Wisconsin GOP contest is so critical to Sen. Ted Cruz that he took off to California for some fundraising and a guest spot on Jimmy Kimmel, in addition to a stop in North Dakota for its delegate convention, before returning to Wisconsin for a few more days of campaigning.
The Wisconsin primary is so critical to Gov. John Kasich that he headed to New York, where his highest-profile accomplishment was to be photographed eating pizza with a fork.