The Trump-fired assault on the US Capitol January 6 – was it a fiasco or a triumph for the far-right?  And what remedies would one of America’s pioneer scholars of terrorism suggest to combat the rise of racist, nativist, armed groups.  Brian Michael Jenkins of the RAND Corporation on how America fought foreign enemies like Al Qaeda and the Islamic State.  Are there lessons applicable to domestic terrorism? And how the fight redefine our concepts of privacy and freedom of speech?