Join Shepard Smith every Monday through Friday at 3 p.m. ET for FOX News Channel's newest daytime show, Studio B.
Stories for Tuesday,
Democrats in 10 states vote in the Super Tuesday primaries
• Tad Devine, Kerry campaign senior adviser
• Mary Anne Marsh, Democratic strategist
• Cheri Jacobus, GOP strategist
A number of voters are casting electronic ballots
• Morgan Wright, cyberterrorism analyst
NASA to announce its findings by its Mars rover
• Cathy Weitz, program scientist
Don't miss Studio B With Shepard Smith weekdays at 3 p.m. ET!
Topics and guests subject to change.