This time, it was the Democrats doing the obstructing.
Amid the House sit-in, Democrats in the Senate are trying to back Republicans into a corner on the issue of closing the terror gap.
Who benefits from the endless cycles of sadness, anger, and partisanship that follow mass shootings in America? Just follow the money.
Trump tweeted Wednesday that he plans to meet up with the group to discuss (maybe) blocking suspected terrorists from buying guns.
They may have an unlikely ally in Donald Trump.
America won't be safe until every judge, preacher, pilot, bar patron, and doctor is armed to the teeth.
"Tough on crime" is a tested tactic, but this time the gun lobbying group is at odds with some Republican supporters.
And cops aren't so sure about the gun group.
Members of the gun group say they hoped to see the presumptive Republican presidential nominee prove his commitment to their cause. One of the NRA's top lobbyists says, "Get over it."
The gun lobby's support for congressional Democrats has plunged. So far in 2016, the NRA has given just $1,000 to a single candidate.
The presumptive Republican nominee then claimed that Hillary Clinton "wants to abolish the Second Amendment."
Gun Owners for America is withholding its endorsement.
Studies show that when a woman owns a firearm, the gun is far more likely to be used against her than by her.
Camiella Williams bought her first gun in sixth grade. She mourned her first dead friend in high school. Now, she is fighting to save other Chicago kids, however long the odds.
His newest foreign policy advisor Frank Gaffney, is a key player in the effort to remove Republican superstar Grover Norquist from the organization's board.
For all its perceived influence, the gun rights group declined to join the conservative effort to derail the GOP's unwelcome frontrunner.
Why Gun Owners of America is betting on it.
As investigators gathered evidence at the Inland Regional Center in the hours after the December 2 attack, longterm residents shared stories of one of the most overlooked strains of gun violence.
The federal government is still drawing an invisible line between guns and gun violence.
Moms Demand Action was launched the day after 20 first-graders and six adults were gunned down at Sandy Hook Elementary School and is now a central grassroots force in lobbying for universal background checks on all gun sales.
Something needs to be done about America's gun violence problem, but these arguments are duds.
A look at what the far-right hive mind has spewed out in the wake of the latest mass shooting.
Tom Mauser lost his son in the massacre at the Colorado high school 16 years ago and has some ideas about how to go on after the shooting of two journalists on live TV in Virginia.
"People who want to defend their families don't need a 100-round drum magazine and an automatic weapon to do it," said LA City Councilman Paul Krekorian.