US Open Lookahead: Serena vs. Venus with Slam bid on line
![US Open Lookahead: Serena vs. Venus with Slam bid on line](http://images.worldnow.com/AP/images/8746010_G.jpg)
So there's at least one person with zero interest in watching the Williams sisters play each other in the U.S. Open quarterfinals Tuesday night, with Serena's bid for a calendar-year Grand Slam on the line.