By Andrew P. Napolitano
The president's men trash the Constitution to pursue antagonists

U.S. Open champion Andy Murray pulled out Tuesday because of a chronic back injury and will be replaced by a lucky loser.
Rafael Nadal arrived at Indian Wells not believing he could win the tournament. A week later, the crystal trophy awarded to the champion was on the table next to him.

Nadal improved to a career-best 17-1 on the year, including 14 straight match wins. He's won three titles — two on clay while runner-up in another on his favorite surface — since returning from a left knee injury.
Rafael Nadal has withdrawn from the Sony Open that begins Monday in Key Biscayne, Fla., to rest his left knee.

Del Potro snapped his own four-match skid against Djokovic, who had beaten the Argentine in eight of 10 career meetings.
Rafael Nadal wasn't too worried about playing on a hard court Monday night.

The 11-time Grand Slam champion feels encouraged about his comeback from injury after the past week, when he finally felt he could move freely. He dominated fellow Spaniard David Ferrer, the world's fourth-ranked player, to win the Mexican Open on Saturday.
Four-time winner Roger Federer and top-ranked Victoria Azarenka will defend their titles at the BNP Paribas Open in March, with the deep fields also including Novak Djokovic, Rafael Nadal and Maria Sharapova.
Five years have passed since Jo-Wilfried Tsonga made his dazzling run to the final of the Australian Open at the age of 22.

The toughest sides of the men's and women's draws at the Australian Open are playing up to expectations. Now, a consequence of that smooth sailing is the likelihood of some semifinals being worthy of any Grand Slam title matches.
Sixth-seeded Juan Martin del Potro became the first major casualty of the Australian Open when he lost in five sets Saturday to Jeremy Chardy of France.
Juan Martin del Potro is hoping to turn tennis' Big Four into a quintet in 2013.
Always the joker, Novak Djokovic was a man bearing gifts after reaching the championship match at the ATP finals.
Just when it looked as if he was headed for his offseason vacation, Novak Djokovic started playing his best tennis.

Novak Djokovic made his way back into the championship match at the ATP finals, beating Juan Martin del Potro 4-6, 6-3, 6-2 Sunday.
Del Potro said in a statement Wednesday that he has not fully recovered and not fit to play.
French Open 2013: Juan Martin del Potro, Mardy Fish latest to pull out →
"I miss the feeling to go on a big stadium with all the people, all this atmosphere that makes you feel something different," he said.