evidence: That’s what it’s come down to for ABC’s once-proud — now creaky — daytime war horse, which shed another (short-lived) seat filler vis-à-vis Perez. She’s announced she’s leaving "The View" after joining the show only last fall alongside fellow newbie Nicolle Wallace and inflammatory loudmouth Rosie O’Donnell — who returned for her second go-round (what were they thinking?) before predictably imploding and departing in February. Gee . . . no one saw that coming. Let’s face it: "The View," for all its past glory as ABC’s shining trendsetter — and it was a trendsetter (note the past tense) — has been an irrelevant hot mess for some time now. The departures of original co-host/spark plug Joy Behar in 2013 — followed by the exit of series creator/den mother Barbara Walters in 2014 — sucked what little oxygen was left out of the room, leaving Whoopi Goldberg to soldier on with a rotating roster of part-time guest hosts and full-timers, including Jenny McCarthy (remember her?) and now Raven-Symoné (who joined "The View" crew last month). Last I checked, Wallace is still there. [...] So do us a favor, ABC, and put "The View" out of its misery once and for all. Do we really need another round of new co-hosts trying to save a show that’s tapped out and drained of whatever water-cooler cachet it once boasted?