From Nick Viall announcing an age-gap dating show to Clayton Echard crashing Perfect Match and Colton Underwood taking on a new co-hosting gig, something seems to be in the water right now. Photo-Illustration: Vulture; Photos: Getty Images (Craig Sjodin, Joe Scarnici, Jon Kopaloff) It started in July, when I saw Nick Viall abusing his sacred platform as Secret Lives of Mormon Wives reunion host to dump all over the show’s perennial heel, Whitney Leavitt. Then Peter Weber parlayed his