Hollywood activists Billy Crystal, Norman Lear, Christopher Reeve, John Ritter, Tom Skerritt, Lindsay Wagner and Sam Waterston are expected to attend the premiere of "Earth and the Environment" Wednesday at the National Press Club for invited guests. Michael Fuchs, chairman and CEO of HBO, will host the screening ... Voted Harper's Bazaar Model of the Year in January and now one of the fashion industry's top models, Kristen McMenamy was just another face in the crowd until she got rid of her eyebrows. In the current issue of People magazine the 28-year-old browless sensation says, "Now I bleach them. Plucking became too painful. And I'd made my point."