NBC series Shades of Blue offers a fresh slant on the NYPD, as detectives strive to enforce the law without being influenced by corruption within.  Jennifer Lopez, and other members of the cast and crew, joined NBC for a panel discussion with the press at this year’s winter TCAs. Jennifer, what was it like for you filming the entire season at once, not knowing how the series will be received? JENNIFER LOPEZ (Executive Producer/Star):  It was nerve‑racking.  Just doing the