By Rand Paul
Obama acts as though we no longer have a Constitution

Serena won her 14th straight match in Charleston with a 6-1, 6-2 victory over Venus Williams — the most one-sided result in the sisters' long, intense rivalry.
Mardy Fish eased his way back into big-time tennis with an exhibition match against top-ranked Novak Djokovic. The real test comes this week in the Southern California desert.
Five-time Grand Slam singles champion Martina Hingis leads the 2013 class for the International Tennis Hall of Fame.
Novak Djokovic and Andy Murray have played in the last two Grand Slam finals, and it's easy to imagine their rivalry overshadowing an aging Roger Federer and an injury-plagued Rafael Nadal in the years to come.

The 15-time Grand Slam winner will replace top-ranked Victoria Azarenka in next week's rankings after coming from a set down to beat former Wimbledon champion Petra Kvitova 3-6, 6-3, 7-5 on Friday in the quarterfinals of the Qatar Open.
Serena Williams spent most of the past week downplaying the prospect of returning to the top of the rankings. Then it happened and she couldn't hold back the tears.
Serena Williams can reclaim the No. 1 ranking at the Qatar Open, a spot the 15-time major champion has not held since October 2010.
Rafael Nadal says testing for performance-enhancing drugs in sport should strike a balance between catching the cheats and respecting the athletes.

Nadal won in doubles on Tuesday with partner Juan Monaco, but the singles debut was a bigger test for the Spaniard and his injured left knee, which kept him away from the competitive game since June 28.
Rafael Nadal wants to stop talking about the aching left knee that kept him away from the ATP Tour for just over seven months until his doubles victory Tuesday with Juan Monaco at a little-known clay court tournament in Chile.
Rafael Nadal arrived in Chile on Friday and will test his injured left knee in competition for the first time next week after sitting out for seven months _ the longest break of his career.

After beating Andy Murray to become the only man to win three consecutive Australian Open titles, the No. 1-ranked player didn't feel the need to celebrate immediately. Instead, he booked an early Monday flight home to start preparing for his next challenge: the clay courts of Europe.
In years past, Novak Djokovic marked his victories at the Australian Open with rowdy late-night celebrations and bleary-eyed photo shoots the next morning in downtown Melbourne.
Mike and Bob Bryan have set one more record together as a doubles team _ and this may be the most special of them all.

The identical twins became the most decorated doubles team in Grand Slam history, beating the unseeded Dutch pair of Robin Haase and Igor Sijsling 6-3, 6-4 in 53 minutes.