REAGANAUTS FOUND THEMSELVES IN MOURNING again last week as another of the Gipper's loyal servants unexpectedly passed away. Hard on the heels of the deaths of Caspar Weinberger and Lyn Nofziger came the sad news that Robert B. Carleson, architect of Reagan's welfare reform, had succumbed to complications from recent surgery. Hundreds of the old Reagan team gathered in the rotunda of the Ronald Reagan Trade Center, just a few blocks from the White House, to share a few tears and a few laughs, as a dozen old friends, led by former Attorney General Edwin Meese, reflected on Carleson's life...