- John MacIntosh says Twitter needs to set up a mechanism that would review President Trump's tweets before they're posted
- If the "shot heard round the world" signaled the start of the Revolutionary War, a "tweet heard round the world" could start something far worse.
John MacIntosh was a partner at a leading global private equity firm, where he worked from 1994 to 2006 in New York, Tokyo and London. He now runs a nonprofit in New York. The opinions expressed in this commentary are his.
(CNN)Dear Mr. Jack Dorsey,