Republican presidential candidate Mitt Romney waves as he wife, Ann, applauds after a campaign speech in Bedford, N.H., on Tuesday. Mr. Romney indicated that he favors campaigns themselves being able to accept and spend donations of any size. (Associated Press)

Republican presidential candidate Mitt Romney waves as he wife, Ann, applauds after a campaign speech in Bedford, N.H., on Tuesday. Mr. Romney indicated that he favors campaigns themselves being able to accept and spend donations of any size. (Associated Press)