Former Tennessee Governor Phil Bredesen and U.S. Representative Marsha Blackburn are both proposing ways to close the federal budget deficit, which is increasing despite a strong economy. Both Bredesen, a Democrat, and Blackburn, a Republican, are November candidates for the U.S. Senate seat that Bob Corker is vacating. Bredesen proposes a federal spending freeze that, he says, could close the deficit in six years. Blackburn favors amending the U.S. Constitution in order to force Congress to