Barack Obama casts himself as the candidate of change, but his campaign strategy going forward is the opposite: more of the same. Sen. Hillary Rodham Clinton shuffled slogans, staff and tactics in the wake of her primary losses. But Obama and his advisers, after a third major primary defeat in two months, say they are sticking with the game plan that brought him this far. "The way we are going to close the deal is by winning,” Obama told reporters in New Albany, Ind., on Wednesday, one day after losing Pennsylvania to Clinton by 9 percentage points. “And right now,...