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.

May 5:

FNC has learned that between 12 and 15 of the Guantanamo Bay detainees will be released later this week
Ed Pound, investigation editor for U.S. News & World Report

The race for the White House is underway as candidates jockey for position in the Democrat derby
Dick Harpootlian, former chairman of the South Carolina Democratic Party

What is up with Canada? They opposed the war in Iraq and now they're decriminalizing marijuana
Rick Mercer, actor and social commentator

Terry Nichols appears at a preliminary hearing in Oklahoma for 160 counts of first-degree murder
• Judge Andrew Napolitano, FNC senior judicial analyst

A buried relic of the Cold War is coming to light. Fifty years after the red-baiting Joseph McCarthy hearings, transcripts of the closed-door sessions have finally been released
Donald Ritchie, associate historian of the U.S. Senate

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

Note: All guests and topics subject to change