this is a big day for republicans running for president. one of the most conservative groups in the country is about to announce results of its straw poll. dana bash will join us live in a moment. in maine, republican voters are finishing their caucuses. mitt romney and ron paul are campaigning in the state trying to break their string of losses. overseas now. the besieged syrian town of homs endures a seventh straight day of bombardment there. opposition activists say hundreds of people have been killed there in the past week. the death toll across syria today climbed to at least 30. the u.s. conference of catholic bishops issued a statement on president obama s compromise over contraception funding. it says the plan raises serious moral concerns. the government s new health policy originally wanted hospitals and schools with religious ties to offer full coverage for contraceptives. after days of opposition from the catholic church, the white house dropped that requireme