President Obama on Monday will release his budget request for the 2012 fiscal year. As you read commentary on it--or, if you’re as nerdy as I am, as you read the document itself--keep in mind that this is the first budget request he’ll be producing since the Republicans took over one house of Congress. It’s a huge difference and not merely in the obvious ways.Obama’s previous budgets were the president’s way of signaling, to members of his own party, what initiative...