Tomorrow is Inauguration Day, but after last week's violent protests, security for the event is extremely tight. Thousands of National Guard troops have been brought in as support. The FBI and other agencies are vetting those troops to make sure that an attack won't come from inside security perimeters, and many streets and celebration areas are closed to the public. Will there be a disruption by domestic terrorists?Joining Nancy Grace today:Wendy Patrick - California prosecutor, author 'Red Flags', www.wendypatrickphd.comDr. Bethany Marshall - Psychoanalyst, Beverly Hills, New Netflix show 'Bling Empire', www.drbethanymarshall.com  Colin P. Clarke - Director of Policy and Research at The Soufan Group, Focusing on Domestic and Transnational Terrorism, International Security, and Geopolitics, Author: After the Caliphate, www.soufangroup.com Scott Taylor - Investigative Reporter, WJLA TV ABC 7 in Washington, D.C.