we also know that terrorists and extremists sometimes are motivated by dates that they believe are symbolic to their cause, right? so timothy mcveigh, the worst act of domestic terrorism/extremism, timothy mcveigh plotted his attack on the federal building in oklahoma city to coincide with the anniversary of the siege on waco several years before. you know, the benghazi attack took place on september 11th, 2012. so these symbolic dates sometimes have significance in those extremist communities, so i think what dhs is doing right now is, you know, an ounce of prevention is worth a pound of cure. they're trying to be careful, keep everybody thinking in the right direction. >> the homeland security secretary just yesterday, alejandro mayorkas said the most urgent threat in the u.s. is domestic violent extremism. he's also highlighted the danger of white supremacist extremists. what do you see as the reasons