Fresh faces on stage at the TV industry’s upfronts this week

New York (CNN Business)A version of this article first appeared in the “Reliable Sources” newsletter. You can sign up for free right here. Brian Lowry emails: NBC’s three-year renewal of “This is Us” was one of the highlights of the network’s upfront announcement on Sunday, in advance of the formal presentation at Radio City on Monday. NBC called the deal “unprecedented” — which it isn’t, as anyone who remembers “Lost” can attest — but it IS emblematic of what’s become a play-it-safe approach, where stability is prized above all… >> NBC Entertainment co-chair George Cheeks, meanwhile, seemed to acknowledge the somewhat diminished role the broadcasters will occupy this week during a conference call, noting that there would be much discussion …