Candidates Make Final Campaign Stops Before Final Debate
Description:Republican presidential candidate Mitt Romney calls Russia the No. 1 foe of the United States and promises to stand up to Russian President Vladimir Putin. But if he's elected president, he might find that he'll need Moscow's help.
Russia plays a critical role in facilitating the withdrawal of U.S. troops from Afghanistan. The United States also needs Moscow's cooperation on keeping nuclear materials away from terrorists and American adversaries, and preventing gridlock at the U.N.(1:22)