Talk show icon Jay Leno bid farewell to his remarkable 22-year run at the top of the late-night US television heap on Thursday when he signed off from NBC's "The Tonight Show" for the last time.
"I want to thank you guys. You folks have been incredible," an emotional Leno, 63, told his fans in concluding his final broadcast.
"I'm the luckiest guy in the world," he added. "I got to meet presidents, astronauts, movie stars -- it's just been incredible."
Country music titan Garth Brooks and comedian Billy Crystal -- Leno's first guest back in May 1992 -- appeared as special guests on w...