ABC: This Week

10:30 a.m.

Sens. Joseph Biden, D-Del., and Jon Kyl, R-Ariz.; Charles E. Curran, professor of theology, Southern Methodist University, and Michael Novak, American Enterprise Institute.

NBC: Meet the Press

9 a.m.

The Rev. Thomas Bohlin, U.S. vicar of Opus Dei; Joseph Bottum, Editor of First Things; historian Thomas Cahill; the Rev. Joseph Fessio, provost of Ave Maria University; Sister Mary Aquin O’Neill of Mount Saint Agnes Theological Center for Women.

CBS: Face the Nation

10:30 a.m.

Sens. Mitch McConnell, R-Ky., and Christopher Dodd, D-Conn.

Fox: Fox News Sunday

9 a.m.

Sens. Lindsey Graham, R-S.C., and Richard Durbin, D-Ill; Family Research Council President Tony Perkins.

CNN: Late Edition

Noon

Ahmed Chalabi, former member, Iraq Governing Council; Sens. Arlen Specter, R-Pa., and Patrick Leahy, D-Vt.; former Secretary of State Alexander Haig; Fessio; David Schindler, academic dean of the John Paul II Institute; John Allen, author, “Cardinal Ratzinger: The Vatican’s Enforcer of the Faith.”