In an ad from American Crossroads, Clint Eastwood tells the country it "just couldn’t survive" another four years of President Barack Obama: "We borrow $4 billion every single day, much of it from China," he says. The message, part of a $12.6 million ad barrage, is running in seven states, including Florida, New Hampshire, Ohio and Virginia. Images of unemployed workers and foreign-marked shipping containers accompany Eastwood’s gravelly narration: In the last few years, America's been knocked down. Twenty-three million people can't find full-time work, and we borrow $4 billion every single day, ...