President Obama, joined by Homeland Security Secretary Jeh Johnson (left), delivers remarks at the National Cybersecurity and Communications Integration Center on Jan. 13 in Arlington, Va. Obama discussed efforts to improve the government's ability to collaborate with industry to combat cyber threats. Kristoffer Tripplaar-Pool/Getty Images hide caption

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If Congress doesn't act to fund the Department of Homeland Security by Friday, then over 200,000 TSA employees won't be receiving paychecks — but many of them will still have to show up to work. Saul Loeb/AFP/Getty Images hide caption

itoggle caption Saul Loeb/AFP/Getty Images