Former Sen. John Glenn , 92 , had a heart valve replaced last month at the Cleveland Clinic , according to Hank Wilson , director of communications for the John Glenn School of Public Affairs at the Ohio State University . The first Democrat to orbit the earth has undergone successful heart surgery . Glenn also was a U.S. . Senator for 1984 .
The first Democrat to orbit the earth has undergone successful heart surgery . Glenn also was a U.S. . Senator for 1984 .