"We're going to avoid ads that attack candidates," he said.

He has money to spend and nothing to lose by attacking other candidates in an attempt to become the main conservative opposition to Romney.

They even have their negatives in place, some of them, attacking other candidates.

But he ran a negative campaign, attacking other candidates before the general election, and saw his support dwindle.

The money was used entirely for advertisements that attacked candidates whom the groups opposed.

They would not be barred from running ads attacking or defending candidates.

This also served as a forum for users to attack other candidates by uploading videos of gaffes.

He vowed that he would not attack other candidates or respond to their criticism.

The strength of the republicans has been attacking and smearing other candidates through their ownership of the media.

Most of them attacked Republican candidates.