FBI arrests brother of San Bernardino terrorist and 2 others on marriage fraud charges, ex-speaker Boehner calls Cruz "Lucifer" and "miserable son of a b----," and tricks for turning around a bad week.

Should Apple help investigators open a phone linked to the San Bernardino attack? We get more from Paul Viollis, host of the TV show 'The Security Brief' and CEO of Viollis Group International.

Zusha Elinson from The Wall Street Journal discusses the mass shooting survival courses that many Americans have taken in the wake of the tragedies in San Bernardino and Charleston.

California shooters discussed martyrdom before meeting, are we headed toward another government shutdown and 'Star Wars' carries its own marketing weight for Disney.

Karen DeYoung from the Washington Post explains why President Obama's strategy to combat ISIS has garnered mixed reviews in the wake of the San Bernardino shooting.

Susan Page from USA Today assesses the impact that the San Bernardino shooting will have on President Obama's agenda in his final year in the Oval Office.

Security expert Paul Viollis joins us to discuss America's gun violence epidemic in the wake of yesterday's shooting in San Bernardino.