The economic stimulus package Congress passed last month includes $50 million in emergency funding for the National Endowment for the Arts — money some legislators didn't think belonged in the bill. Doubters and supporters both, though, should find food for thought in a timely new show at the Smithsonian American Art Museum called "1934: A New Deal For Artists." The show looks at the first time American artists — thousands of them — got direct government support. President Franklin D. Roosevelt, like today's lawmakers, caught some flak for wanting to include artists in his relief program. He justified his decision,...