Here's a look at 'Today in Rock History' featuring: Eva Mendes is 46. Her best performance is from "The Other Guys" as Dr. Sheila Gamble. John Frusciante is 50. He's back with the Red Hot Chili Peppers. Today in 1960, Sergeant Elvis Presley was discharged from the U.S. Army. He served for two years. In 1963, Patsy Cline died in a plane crash in Tennessee. In 1963, Arthur "Spud" Melin, the co-founder of Wham-O, patented the Hula-Hoop. In 1982, John Belushi was found dead in his room at the Chateau Marmont hotel in Hollywood. He overdosedon a "speedball" . . . a lethal injection of cocaine and heroin. He was 33. RIP
