Obama vs. Romney: Five Things To Watch In First Presidential Debate

By Andy Sullivan WASHINGTON, Sept 30 (Reuters) - The debate between President Barack Obama and Republican challenger Mitt Romney on Wednesday marks the first time the two candidates will be able to challenge each other directly on the economic issues that have been the focus of the presidential campaign. Viewers should be able to determine how each candidate fares by keeping an eye on the following five factors: * ROMNEY ON OFFENSE, OBAMA ON DEFENSE With less than six weeks to go until the elect...