Summary: <p>President Joe Biden called for tightening gun control laws in the wake of two mass shootings in less than a week. Jennifer Mascia, a news writer at <a href="https://www.thetrace.org/" target="_blank">The Trace</a>, a non-profit newsroom focusing on gun violence, talks about Biden's history on the issue and whether Democrats can pass any meaningful reform with the filibuster still in place.</p>
