Veteran newscaster John Gibson gets to the core of the most salient issues facing America today as host of FNC's hard-hitting primetime show The Big Story with John Gibson, airing Monday through Friday at 5 p.m. ET, with expert legal analysis from Judge Andrew Napolitano and in-depth field reports from correspondent Heather Nauert.

Tuesday, Feb. 3:

Ricin is an ideal poison for anyone looking to sow terror
Mark Miller, advised the White House on how to prepare for disaster

Like a mutating virus, the nature of terrorism can change
John Gearson, advised Congress on terrorism in modern world 

Are irradiation security measures in place at some postal facilities enough?
• Dr. Elin Gursky, homeland security expert

The difficulties of prosecuting a Ricin-type terrorist attack
• Judge Andrew Napolitano, FNC senior judicial analyst

FCC Chairman Michael Powell promises an investigation of Janet Jackson's revealing Super Bowl performance
Phil Swann, writer for "Television Week"

Be sure to tune into The Big Story with John Gibson ... weekdays at 5 p.m. ET.

Topics and guests subject to change.