Join Shepard Smith every Monday through Friday at 3 p.m. ET for FOX News Channel's newest daytime show, Studio B.

We'll bring you the biggest stories of the day, including interviews with today's top newsmakers. Become part of the mix and get your voice heard... drop us an email at studiob@foxnews.com.

April 21:

Scott Peterson faces arraignment on charges he murdered his wife Laci and their unborn child
• Judge Andrew Napolitano, FNC senior judicial analyst
Bernard Grimm, defense attorney
John Kelly, prosecutor

Muhammad Hazmaq al-Zubaydi, no. 18 on the U.S. most-wanted list, is arrested in Iraq
• Retired Marine Lt. Col. Bill Cowan

These stories ... and more on Studio B With Shepard Smith at 3 p.m. ET.

Note: Topics subject to change