President Obama Fires Warning at Republicans After White House Win Persons of the Week: Steven Spielberg and Daniel Day-Lewis Famed director and actor bring the 16th president to life in new film, 'Lincoln.' Instant Index; Sandy Clean-Up Volunteer Hits Lotto Jackpot Diane Sawyer reports what news stories have people talking around the world. 2012 Holiday Travel Deals and Tips: How to Vacation Despite Rising Costs The secret to traveling this holiday season without busting your budget. President Barack Obama enters second term with strong rhetoric and new goals. General Petraeus Announces Resignation, Admits to Affair CIA Director General David Petraeus' bombshell resignation shocks political world. Petraeus' Fall from Grace; Details of the Extramarital Affair ABC's David Muir reports on General Petraeus' revelation of infidelity.