Up on Capitol Hill, it looks like push is about to become shove this week over President Barack Obama’s second nomination of Richard Cordray to continue as head of the CFPB. Sen. Majority Leader Harry Reid, D-NV, has been threatening to upend the Senate’s traditional filibuster mechanism and change the rule under which presidential nominees must receive 60 votes in order to be approved – a move long known among Washington, DC, politicos as the “nuclear option” because of the politically toxic fallout such a tactic is widely expected...