Cole, Vanessa and lovely, lovely, lovely guest Deanna Russo (“Knight Rider,” “Gossip Girl”) talk terrariums, Jesse James, Brotherhoodies, Cloris Leachman, fan K.I.T.T. creations, Carlton Cuse, the night of 140 Tweets, Breaking Bad, @ signs, making eye contact with Richard Simmons, horse appendages, verbal nodding, sounding smart, and Cole’s ridiculously literal t-shirt.