<p>As a committee hearing on new gun-control legislation began winding down Thursday, three state senators started chatting amongst themselves.</p>
<p>What they didn't realize was the microphone was still on.</p>
<p>A recording of the exchange — which appears to be between Democrats Loretta Weinberg, Sandra Cunningham and Linda Greenstein — ended up on YouTube, and gun supporters said today they were upset by the remarks.</p>