After just over a year on the job, deeply unqualified top Yahoo ad-sales executive Dave Karnstedt is leaving the company — to "pursue other opportunities," specifically as an yes-man executive-in-waiting at Redpoint Ventures. Replacing him at Yahoo will be Joanne Bradford, who only quit her ad sales post at…

Only last year, the word on Madison Avenue was that while Google might be getting all the attention, Yahoo's human touch kept it in the game. No longer, with the disgraceful farewell Yahoo bid to star saleswoman Wenda Harris Millard, and its promotion of hapless nonentity Dave Karnstedt. Disgraced stock analyst…

WEB 2.0 SUMMIT — Yahoo ad-sales executive Dave Karnstedt is very nice, we hear. If by "nice" you mean "ineffective" and "over his head," his sniping critics say. We'll stick with just "nice," though, judging from his demeanor at this conference's online-advertising panel. He's so nice, in fact, that his voice keeps…