Stepping into the shoes of a character as iconic as James Garner ’s Jim Rockford from the 1970s detective drama “ The Rockford Files ” might deter some actors. Not David Boreanaz . “People say that maybe you shouldn’t do it,” he says during a trip to the Monte-Carlo Television Festival to promote the forthcoming reboot. “But come on, how many James Bonds have there been? My attitude is ‘How can I make James Garner proud?’ while still doing my own take on the character.” This isn’t the first