Diplomacy: Yes, a traveling president deserves security. But the 3,000-person entourage accompanying Barack Obama to Mumbai, India, this week reeks of pashalike decadence. With an electoral repudiation still ringing in his ears, we can't blame President Obama for wanting to get away from Washington as a new Congress prepares to roll in. He's hardly the first chief executive to do it. But there are problems with this "strategic" visit, with a stated interest in celebrating Diwali, the Hindu Festival of Lights, that suggest this won't be time well spent. In a time of trillion-dollar stimulus packages and $600 billion Fed...