Republicans moved Sunday to draw attention to Senate Majority Leader Harry M. Reid's racially tinged remarks about Barack Obama during the 2008 presidential race, with leading officials calling for him to step down and Democrats standing behind him.The Republican National Committee's chairman, Michael Steele, said Reid (D-Nev.) should vacate his office after acknowledging that he had described then-Sen. Obama as "light-skinned" and possessing "no Negro dialect" in a private conversation with two reporters. The reporters recounted the remarks in their book, to be released Tuesday."There is this standard where Democrats feel that they can say these things and they can apologize when it comes from the mouths of their own," Steele, who is black, said in an interview on "Fox News Sunday." "But if it comes from anyone else, it is racism."