Notre Dame graduates John Callahan, left, and Jack Kiley attend an antiabortion rally instead of their commencement ceremony. Activists from across the country have gathered in South Bend, Ind., to protest the university's decision to invite President Obama to speak.
COMMENTING POLICY:Readers are encouraged to post comments that are germane to the article. We reserve the right to remove any user, and to delete comments that contain abusive language or personal threats, as well as those that are racist or demeaning. Readers may report comments by clicking "Report Abuse." Once a comment has been flagged, a Baltimore Sun staffer will investigate. Click here for more information on commenting.