Trump's latest tweet: US needs a good shutdown
Trump’s latest tweet: US needs a good shutdown 01:03

The reason for the plan negotiated between the Republicans and Democrats is that we need 60 votes in the Senate which are not there! We….

— Donald J. Trump (@realDonaldTrump) May 2, 2017

either elect more Republican Senators in 2018 or change the rules now to 51%. Our country needs a good “shutdown” in September to fix mess!

— Donald J. Trump (@realDonaldTrump) May 2, 2017

Those tweets come just days after Trump bashed Democrats for their threat to — wait for it — shut down the government.

As families prepare for summer vacations in our National Parks – Democrats threaten to close them and shut down the government. Terrible!

— Donald J. Trump (@realDonaldTrump) April 27, 2017

That contradiction aside, Trump’s shutdown strategy — if we can call it that — is not only a bad one but one that could cost Republicans dearly if they decide to follow it.

Here’s what we know about government shutdowns from the history of them over the past two decades:

2. It’s a high stakes gambit that often backfires on the party that is perceived to provoke it.

That unpredictability of outcomes is why most politicians do everything they can to avoid a government shutdown. Politicians hate unforeseen consequences — and a shutdown is full of them.

And, for Republicans, the shadow of Newt Gingrich still haunts them; the then Speaker’s decision to force a government shutdown showdown with then President Bill Clinton in late 1995 and early 1996 turned disastrous and led to Clinton’s sweeping 1996…