Vice President Joe Biden (Carolyn Kaster/AP)

This season, “Face the Nation” has been closing in on daypart frontrunner, NBC’s “Meet the Press.” Expanding the Bob Schieffer-anchored CBS show to a one-hour format pits it head-to-head against one-hour “Meet.”

Other guests participating in the reformatted show’s unveiling include Republican presidential candidates Newt Gingrich and Congressman Ron Paul, CBS News political correspondent Jan Crawford, and political director John Dickerson, and “PBS NewsHour” and “Washington Week” anchor Gwen Ifill, CBS News said Thursday. They will discuss the 2012 presidential race and the Supreme Court’s hearings on the Affordable Care Act.