This week on “Watch What Crappens,” Ben Mandelker (bsideblog.com) and Ronnie Karam (trashtalktv.com), tackle the ins and outs of flower etiquette on “Real Housewives of Miami.” Then it’s on to part 1 of the “New Jersey” reunion before discussing the premiere of “Top Chef: New Orleans.” Along the way, there’s plenty of gossip; plus, we …