This official would be placed in the backfield opposite the referee and, according to Calhoun, would add another set of eyes to detect holding on the offensive line.

NPR: New Rule To Add Ejection For Intentional High Hit

When he visits the Catholic University of America in Washington, DC, on Thursday, and a New York seminary on Saturday, he will detect some ideological currents that are far removed from his hold-the-line conservatism.

ECONOMIST: Pope Benedict begins his tour