For a while now, things have been rough for Ron Palillo, the former star of the '70s hit sitcom "Welcome Back, Kotter." On "Celebrity Boxing," for example, he got schooled��������and well, annihilated��������by "Saved by the Bell" thespian Dustin "Screech" Diamond. But, things seem to be looking up for the actor-turned-visual artist. He recently unveiled a new line of limited edition T-shirts being sold exclusively on Moli.com, in partnership with Jess Rotter's Rotter and Friends line. "Ooh-ooh-ooooh!" (Look it up.) ��������Nick Haramis