WASHINGTON, July 22 (TNSLrpt) -- The Congressional Research Service issued the following In Focus white paper (No. IF11879) by section research manager Lauren R. Stienstra. * * * National Level Exercises: History, Authorities, and Congressional Considerations Every two years, the Federal Emergency Management Agency (FEMA) conducts a National Level Exercise (NLE) to evaluate the nation's progress toward preparedness for catastrophic events. These exercises have multiple components, and culminate in a large, full-scale exercise with thousands  more PR