* Headlines for November 29, 2007 * Is Trent Lott Leaving Senate to Dodge New Ethics Law on Lobbying? * Romney, McCain Spar on Waterboarding and Torture at GOP Debate * Abu Dhabi Becomes Largest Citigroup Shareholder With $7.5B Investment, Bailout Comes Amidst Subprime Mortgage Crisis, Record-High Oil Prices * Minorities Hit Hardest by Subprime Mortgage Crisis