danielle nottingham, cbs news, washington. >>> this morning herman cain is apologizing for a remark about house minority leader nancy pelosi. during last night's debate he said she blocked any appeal to overhaul health care legislation when she was speaker of the house. he called her princess nancy. >> legislation has already been written, hr 3000. in the previous congress it was hr 3400. what that does, it's already been written. we didn't hear about it in the previous congress because princess nancy sent it to committee and it stayed there. it never came out. >> afterwards cain said he probably should not have made the princess remark. >>> and this saturday night, scott pelley will host republican candidates in a debate from south carolina. you can see it 8 p.m. right here on cbs. >>> recovery efforts are under way in eastern turkey this morning after a strong earthquake trapped dozens and collapsed buildings. the 5.7 magnitude quake struck yesterday. it hit in the same region that was devastated by a major quake last month. through the night survivors were pulled from the rubble, including a hotel. at least seven people