On today's edition of DaySide with Linda Vester:

Terror Target: All Senate office buildings were shut down Tuesday after inital tests showed that letters sent to the office building of Senate Majority Leader Bill Frist likely contained the lethal poison ricin (search).

Where did the deadly powder come from? And how much of a threat does it pose? We’ll get insight from Judith Miller, reporter for The New York Times and author of "Germs: Biological Weapons and America's Secret War".

Super Showdown: With just one day before the first Super Tuesday (search), the seven remaining Democratic presidential candidates are scrambling to sway undecided voters.

Whose strategy will pay off? And how many candidates will be standing come Wednesday? Find out when Linda hosts a campaign roundtable with Michael Meehan, senior adviser for the Kerry campaign; Ed Turlington, national chairman of the Edwards campaign; Jamal Simmons, press secretary for the Clark campaign; Steve McMahon, senior consultant for the Dean campaign, and Craig Smith, campaign manager for the Lieberman campaign.

About the Show:

DaySide with Linda Vester, FOX News Channel's brand new daytime talk show, takes you beyond the headlines for a closer look at the stories that newsmakers and your neighbors are talking about.

To be part of the LIVE studio audience click here or please call: 1-887-FOX-TKTS (1-877-369-8587).

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DaySide with Linda Vester airs weekdays at 1 p.m. ET. You won't want to miss it!