Chief Justice John Roberts appeared Monday to be the key vote in whether the Supreme Court considers expanding gun rights or sidesteps its first case on the issue in nearly 10 years.
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.
While many of the proposals have bipartisan support, Democrats are unlikely to agree to them without consideration of the more substantive background checks bill.
Following two mass shootings over the weekend, President Donald Trump called on federal authorities Monday to do a better job identifying violent extremists in the U.S. But that won't be easy.