By Rand Paul
Obama acts as though we no longer have a Constitution
Roberta Vinci advanced to the Dubai Championships semifinals by beating former U.S. Open champion Samantha Stosur 6-2, 6-4 Thursday.
Fifth-seeded Roberta Vinci was bounced out of the Open GDF Suez when she was beaten by Mona Barthel of Germany 4-6, 6-1, 6-3 in the second round Wednesday.

Serena Williams cautiously walked onto the court, and tried to keep the points short to avoid irritating her injured right ankle as she advanced to the third round at the Australian Open.
Maria Sharapova aims to return to the No. 1 spot in the rankings after a solid season in 2012.
Top-ranked Victoria Azarenka withdrew from the Pan Pacific Open quarterfinals on Thursday, a day after experiencing dizziness in a third-round win over Italy's Roberta Vinci.

Sara Errani beat good friend and doubles partner Roberta Vinci to reach the semifinals at the U.S. Open.

Maria Sharapova came from behind after a rain delay for the second straight match, advancing to the U.S. Open semifinals with a three-set victory over Marion Bartoli.
Teammates one afternoon, opponents the next, Sara Errani and Roberta Vinci exchanged glances and giggles while sitting side-by-side for a news conference after reaching the U.S. Open doubles semifinals with a victory on Tuesday.
Roberta Vinci and Sara Errani planned to eat dinner together Monday and Tuesday, as usual.
Former French Open champion Francesca Schiavone and Flavia Pennetta will lead Italy in the Fed Cup semifinals against defending champion Czech Republic.
Serena Williams started early and finished fast Saturday.
Serena Williams advanced to the fourth round of the Sony Ericsson Open by beating Roberta Vinci 6-2, 6-1 Saturday.

Top-seeded Maria Sharapova was ousted from the quarterfinals of Open GDF Suez on Friday, beaten by Angelique Kerber of Germany 6-4, 6-4.
Petra Kvitova was disappointed to fall short against the more experienced Maria Sharapova in the semifinals of the Australian Open.

Venus Williams landed awkwardly on her recently injured leg after hitting a swinging volley and grimaced. It was about the only glitch during her return to tennis.
"Playing a Slam quarterfinal for the first time is amazing. There definitely will be some jitters, but I think that's normal," Vinci said. "She's may be used to this sort of thing."
"A simple day, just like every other," Vinci insisted.