Georgia Republican Sen. Johnny Isakson, a conservative who is often considered a voice of the caucus, emerged from Tuesday's lunch saying, "Many of us feel like doing nothing is not a satisfactory answer."
Harris joined Vermont Sen. Bernie Sanders, Massachusetts Sen. Elizabeth Warren, New Jersey Sen. Cory Booker and former Housing Secretary Julian Castro in calling for the big-box store to end its gun sales.
A year after a high school mass shooting near Houston that remains one of the deadliest in U.S. history, Texas lawmakers are on the brink of going home without passing any new gun restrictions, or even tougher firearm storage laws that Gov. Greg Abbott backed after the tragedy.
The new law capped an extraordinary three weeks of lobbying after the shooting at Marjory Stoneman Douglas High School, with student survivors and grieving families working to persuade a Republican-run state government that had shunned gun control measures.