FBI Director Christopher Wray and Homeland Security Secretary Alejandro Mayorkas didn't show up or offer testimony at an annual Senate Homeland Security Committee hearing that took place Thursday.Their absence marked the first time in 15 years that both heads have not attended the annual hearing, according to the committee's chairman, Rep. Gary Peters, D-Mich."Their choice to not provide public testimony about their departments' efforts to address wide-ranging national security threats robs the American people of critical information and the opportunity for public accountability of what the federal government is doing...SNIP