The governors of New York, New Jersey, Connecticut and Rhode Island are joining forces to share information on guns across state lines.  Rich Lamb covered the announcement.

For the first time since the pipe bombing in Seaside Park in 2016 we're hearing from the state troopers who helped defuse additional bombs.  Here's Kelly Waldron with Detective Sergeant James ABB-ISS and Detective Stephen Christinzio.

The Parkland survivors have started a movement when they took on the gun control challenge.  New York's Governor Cuomo has praise the students. We heard from someone who has spent time with those teenagers.  Whose faces and voices have been everywhere since the day that changed everything for them.   Alex Silverman spoke to Buzzfeed Reporter Remy Smidt. 

President Trump suggests bonuses for teachers willing to arm themselves in school.  The president also called active shooter drills in schools "a very negative thing."  Michael Wallace and Alex Silverman speak with CBS Chief White House Correspondent Major Garrett.  

Survivors of last week's school shooting in Florida rallied for gun control at the state capitol in Tallahassee Wednesday.  Steve Scott and Michael Wallace speak with CBS News Correspondent Peter King is in Tallahassee.

President Trump has suggested he might be open to enhanced background checks for gun buyers.  That's putting the president at odds with some members of his own party in Congress.  Michael Wallace and Steve Scott speak with Politico Congressional Reporter Elana Schor.

The Douglas High School students who survived last week's shooting have since been under attack from some right-wing critics.  Steve Scott and Michael Wallace speak with Washington Post Media Columnist Margaret Sullivan.

February is American Herart Month and many schools and companies are training people how to correctly administer CPR. Pat Farnack spoke with NutriSystem CEO Dawn Zier about a very specific technique.

CBS News Correspondent Manuel Bojourquez is in Parkland, Florida.  The scene of last week's shooting that left 17 people dead at Douglas High School.  

A new poll finds more Americans want stricter gun control laws, after the Florida shooting.  Steve Scott and Michael Wallace ask Tim Malloy, Assistant Director of the Quinnipiac University Poll.