San Francisco Mayor Gavin Newsom's 2010 gubernatorial campaign announced Friday it will return a $25,000 contribution from a businessman who also is the son of Bay Area-based conservative radio talk personality Michael Savage. "The Newsom for California campaign is returning the contribution of Russell G. Weiner," campaign director Eric Jaye said in an e-mailed statement. "We believe that the confusion caused by the conflicts between the views expressed by Mr. Weiner in his campaign for State Assembly and the views and values of Mayor Newsom are best addressed this way." Rockstar energy drink founder and CEO Russell Weiner — son...