Join Shepard Smith every Monday through Friday at 3 p.m. ET for FOX News Channel's 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 e-mail at studiob@foxnews.com.

Topics and Guests:

• Violence rages on in Iraq (search), coalition troops have killed about 300 militants loyal to radical Shiite cleric Muqtada al-Sadr (search) in Najaf during the past two days in a continued attempt to quash rebellions by the cleric's loyalists in various Iraqi cities. We’ll have the story.

• Plus, do recent terror busts mean we are tracking down the enemy? We’ll get analysis and assessment from former CIA operative Wayne Simmons.

• Will an insanity plea be Mark Hacking’s (search) defense to the murder charges against him for the killing of his young wife? Get the latest details.

All of this... and more on Studio B With Shepard Smith at 3 p.m. ET.

Note: Topics subject to change