Twitter didn't make a bunch of dudes "paper" billionaires today without a helping hand from the government. But Senators John McCain and Carl Levin decided this is the week to burst their IPO bubble. The stock option tax loophole that let Twitter take an estimated $154 million tax deduction, they declare, "ought to be closed."

Today's congressional hearing on Apple's Irish tax-dodging has included a lot of impressive browbeating—it's nice to see Tim Cook taken to task. What doesn't help the issue is Senator John McCain chuckling with Cook about how his gosh darn iPhone updates apps all the durn time.