USAA says switches to Visa from MasterCard Related posts: Libyan oil guards demand state firm to reopen the two biggest oil ports Bloomberg: “Prudential Chief Says Biggest Worry Is Liquidity, Echoing Dimon” *Italy Feb Construction Output Down S.a 1.3% On Month Jeff Bezos’ rocket company test-flies suborbital spaceship Post navigation Car slams into crowd at Oklahoma parade; four killed, dozens injured Poland votes, conservative eurosceptic party looks set to win