It's the usual suspects who stand to be affected by Fed Governor Tarullo's call to cap the size of banks' non-deposit liabilities. JPM, BAC, GS, and C all have ratios greater than 5% of U.S. GDP. Morgan Stanley (MS) and Wells Fargo (WFC) are substantially below. "This is a major new direction for the Fed," says Simon Johnson. "There is agreement across the political spectrum ... (the banks) should be made smaller and simpler."