Executive order aims to crack down on conversion devices and 3D guns as Harris and Trump spar on campaign trailJoe Biden and Kamala Harris unveiled a new executive order aimed at tackling gun violence on Thursday, as the vice-president and Donald Trump clash over the issue on the campaign trail.The order establishes a new “emerging firearms threats task force” to crack down on machine-gun conversion devices and unserialized, 3D-printed guns. The policy also calls on federal agencies to develop guidance for schools on active shooter drills to mitigate potential psychological harm to students. Continue reading...