HANOVER, N.H. -- A group of students who attended Democratic presidential candidate Howard Dean's appearance at Dartmouth College on Thursday unveiled Confederate flags as he was introduced. The group of about nine students, whom fellow students and Dean campaign staffers identified as conservative activists, did not otherwise disrupt the former Vermont governor's speech about paying for higher education. And Dean did not acknowledge them or refer to controversy surrounding his recent remark that he wanted to attract voters with Confederate flags in their pickup trucks. The students sat with the flags draped across their shoulders throughout Dean's appearance. Dean declined...