THOSE OF YOU TRAVELING at some point during the holidays may have left someone in charge of the houseplants. Doodler Andre Jordan wants to be sure you know this one teeny detail on that score: If the beloved charges are dead when you get back, it is NOT, repeat NOT, an excuse for violence. Please be advised. (On second thought, isn’t that what the plea “justifiable homicide” was invented to describe? I mean, if someone kills your plants…)