Secretary of State Condoleezza Rice said Friday the United States must not abandon its mission in Iraq and Americans must realize the consequences of ceding the country to "merciless killers." Rice told students at Princeton University that the Bush administration's focus on the spread of democracy in the Middle East was both a moral obligation and a tough-minded response to global terrorism. "From Cairo and Ramallah to Beirut and Baghdad, they are now finding new spaces of freedom," Rice said. The United States must not be afraid to use all its influence in the world - political, economic, cultural and...