♪ >> tammy: welcome back, everyone, to our inside the issues special edition of "tucker carlson tonight." the shooting in parkland,ns florida, has produced antigunal action across the country. and has not been limited to democratic lawmakers. ordinary retailers are getting involved, as well, and imposing their own form of gun control by the law doesn't even requirehe . fox's hillary vaughn went to investigate this new trend. here's what she found. [cheers] >> this is washington, d.c., the day thousands of antigun protesters flood the capital streets [chanting] >> students joining the march for our lives movement demanding new gun control laws after the mass shooting at stoneman douglas high school in parkland, florida. >> this is far too much. the fact that we have had all of these mass shootings and that we haven't done anything about it. >> i just would like to see this government do something. >> i do think change is coming.