NEW : Sen. David Vitter resumes work on Capitol Hill . NE : At first , only CNN and a local camera crew had learned of his whereabouts . According to ` ` ' ' , '' he tries to keep low profile . NEW : Conservative talk to fellow Republicans at lunch . NE : Journalists seeking Vitter cause disruption in a committee meeting .
NEW : Sen. David Vitter resumes work on Capitol Hill . NE : According to ` ` ' ' , '' he tries to keep low profile . NEW : Conservative talk to fellow Republicans at lunch . NE : Journalists seeking Vitter cause disruption in a committee meeting .