The grenade in the heart of our constitution

A version of this article appeared earlier in Salon

There is a grenade planted in the heart of the U.S. Constitution. Howard Schultz is thinking of pulling the pin.

The Starbucks founder and former CEO is thinking of running for president as an independent candidate. He has already been warned that if he runs and fares worse than he expects, he risks splitting the opposition to Donald Trump vote and re-electing the incumbent. He asserts that he has no such intention — and that he can lead the popular vote if the Democrats…