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We know three things for sure: Vice President Mike Pence was scheduled to go to New Hampshire on Tuesday, the trip was abruptly called off, and he instead went to the White House for a brief meeting with President Trump. Everything else about the sudden cancelation is a mystery.

Pence got as far as boarding Air Force Two, but never left Washington, D.C., his press secretary, Alyssa Farah, tweeted. "Something came up that required the VP to stay in DC," she added. "We'll reschedule NH shortly." While she wouldn't say what forced Pence to remain in Washington, Farah did say it was "no cause for alarm."

Farah tried to downplay whatever was going on, but the vice president's chief of staff, Marc Short, grabbed a stick and started stirring the speculation soup. Short told ABC News it was "not a national security issue," although it was important enough for Pence and Trump to discuss "the issue briefly." It had nothing to do with Pence's health or his family, Short continued, before declaring, "There will be more later." When? "Weeks from now."

Of course, no one will care, or even remember this happened, weeks from now. Is it something as simple as a scheduling snafu? Was he, in fact, notified that he's been replaced by Ivanka Trump? Maybe the president just needed Pence to stay behind to wash a few tanks ahead of the Fourth of July parade? Let the conjecturing commence.