George W. Bush has been the presidential equivalent of a punching bag. Before he left office, he was vilified for the war in the Middle East, the credit crisis and the housing crisis. Democrats ran against his persona and policies in the 2008 election and successfully painted the Republican nominee for President, Arizona Sen. John McCain, as his Doppelganger. He was radioactive, and even Republicans viewed him as such. But these days, though he's seemingly blamed for everything but bad weather by the left, Bush is making a comeback. As President Obama's approval numbers slide, people are starting to see...