New York Daily NewsLots of Democratic lawmakers turned out for Wednesday’s D.C. premiere of Michael Moore’s “Sicko” - but not one of the invited Republicans. Sen. Frank Lautenberg and almost 20 congressmen (including White House hopeful Dennis Kucinich), former Defense Secretary William Cohen, AOL co-founder Steve Case and producer George Stevens Jr. congratulated Moore, who, by the way, is determined to slim down. He just got a copy of “The Martha’s Vineyard Diet Detox.”