By John Solomon
How the government's punishing of the exposure of official wrongdoing can linger for years
Roger Federer says he won't play as often in the next few years and hopes to compete in the 2016 Olympics in Rio de Janeiro.

Clutching her side and crying out in pain, Venus Williams lasted just seven points Friday at the Australian Open and withdrew from a Grand Slam singles match for the first time.

Caroline Wozniacki advanced to the third round of the Australian Open with an emphatic 6-1, 6-0 win over American Vania King on Wednesday as her first major atop the rankings continued to gather momentum.

Twelfth-seeded Mikhail Youzhny of Russia reached the quarterfinals at the U.S. Open, beating Tommy Robredo of Spain 7-5, 6-2, 4-6, 6-4 on Tuesday.