The most talked-about scenario before Jan. 6 involved something like that, which would “justify” Trump invoking the Insurrection Act to put down his political enemies and, as his former national security adviser Michael Flynn put it, “declare martial law.” Slowness on the part of D.C. Mayor Muriel Bowser and others in advance to predeploy them near the planned demonstration and slowness as the demonstration morphed into something very different from what was deemed Nightmare Scenario No.