?CSI? ends its 15-season run with 2-hour reunion finale There was scant evidence suggesting it would be a hit."CSI: Crime Scene Investigation" was a last-minute pickup by CBS, plugged into a Friday lineup whose widely forecast surefire hit would be a reboot of "The Fugitive," **t a quirky little drama dwelling on hair fibers and blood spatter."I thought it was never going to succeed," says Jorja Fox. At the time she had a recurring role on "The West Wing" as a Secret Service agent, "but I thought, 'How fun...