NEW : Sen. David Vitter resumes work on Capitol Hill . NEW : Linked to `` D.C. Madam , '' he tries to keep low profile . New : He is a member of the Senate Judiciary Committee and has been working with other members in crafting legislation that would protect gays from discrimination under federal law. Conservative apologizes to fellow Republicans at lunch . Watch Vitter apologize for his `` past failings '' » . NEW : Journalists seeking Vitter cause disruption in Senate committee meeting .
NEW : Sen. David Vitter resumes work on Capitol Hill . NEW : Linked to `` D.C. Madam , '' he tries to keep low profile . New : He is a member of the Senate Judiciary Committee and has been working with other members in crafting legislation that would protect gays from discrimination under federal law. Conservative apologizes to fellow Republicans at lunch . NEW : Journalists seeking Vitter cause disruption in Senate committee meeting .