George W. Bush undergoes second knee surgery

DALLAS, TX - APRIL 24: Former President George W. Bush participates in a signing ceremony inside the Freedom Hall for the joint use agreement between the National Archive and the George W. Bush Presidential Center on the campus of Southern Methodist University on April 24, 2013 in Dallas, Texas. Dedication of the George W. Bush Presidential Library is to take place on April 25 with all five living U.S. Presidents in attendance. (Photo by Kevork Djansezian/Getty Images)
Kevork Djansezian, Getty Images

George W. Bush on Saturday underwent a partial knee replacement in Chicago, his second since Memorial Day weekend, the former president's spokesman Freddy Ford confirmed to CBS News.

The outpatient procedure at Rush University Medical Center's Midwest Orthopaedics successfully restored Mr. Bush's left knee. His right was partially replaced in May.

"It's remarkable what they can do now," Ford said. "He walked up and down a flight of stairs just a couple hours after the surgery."

Ford said Mr. Bush, who with his wife Laura left the Windy City on Monday morning for Dallas, is looking forward to getting back on his mountain bike in several weeks' time.

Since vacating the White House in 2009, the 43rd president has publicly prided himself on fitness, immersing himself in aggressive cycling challenges. Still, his health has become something of an ongoing storyline: Last August, he underwent a heart procedure after it was discovered he had a blocked artery.

Mr. Bush will enjoy some moral encouragement as he recovers. Cashing in on the soaring unpopularity of President Obama, the Republican National Committee is continuing its fundraising pitch marketing t-shirts emblazoned with the slogan, "I MISS W."

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