Washington (CNN) Of all the ways to try to understand Donald Trump, the one I keep returning to is professional wrestling.

There's the obvious reasons -- Trump is personally close to Vince McMahon, the owner of World Wrestling Entertainment, Linda McMahon is his Small Business Administrator, the President has previously appeared on WWE shows, etc.

But then there are the less obvious similarities: The reality TV nature of the whole production, the winking "we all know this is fake, right?" element, the theatrics, the wildly-swinging storylines and the massive divide between the hoi polloi who love it and the elites who turn their noses up at it.

Which brings me to Trump's stunning move Wednesday when he sided with Democratic leaders Nancy Pelosi and Chuck Schumer on a deal that keeps the government open, extends the debt ceiling and ensures the rapid approval of nearly $8 billion in recovery funds for victims of Hurricane Harvey.

The move stunned Republicans -- starting with House Speaker Paul Ryan and Senate Majority Leader Mitch McConnell, who had pushed for an 18-month extension of the debt ceiling and hoped to squeeze some concessions from Democrats in the deal.

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