News Analysis Romney a confident challenger; Obama a cautious incumbent ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Win McNamee/Getty Images President Obama and Mitt Romney smiled at the end of the debate. Charles Dharapak/Assocaited PRess President Obama and Michelle Obama met Mitt and Ann Romney and members of their family. jason reed/reuters President Obama spoke as Mitt Romney listened. At center is moderator Jim Lehrer. jason reed/reuters Romney gestured as he made a point. rick wilking/associated press The debate covered a range of domestic topics. michael reynolds/associated press Jobs and health care were among the subjects discussed. chip somodevilla/getty images President Obama smiled. saul loeb/afp/getty images President Obama and Romney met at the start of the debate. saul loeb/afp/getty images Michelle Obama and Ann Romney met. Charles Dharapak/associated press Romney and his wife Ann watched as family members played Jenga before the start. nicholas kamm/afp/getty images Audience members waited before the event. Doug Pensinger/Getty Images The scene outside the debate venue at the University of Denver. Chip Somodevilla/Getty Images Former New York City mayor Rudy Giuliani was interviewed before the debate. MANDEL NGAN/afp/getty images President Obama arrived at Buckley Air Force Base outside Denver.