Amid criticism of Michael Brown's qualifications, Homeland Security Secretary Michael Chertoff announced that Thad Allen will replace Brown as head of FEMA's ground operations. After an update from a reporter, two former homeland security employees discuss FEMA's organization and its…

After a background report on the debate in Congress over an additional $51.8 billion to fund disaster relief for Hurricane Katrina, two senators discuss the pending investigation into the federal response to the disaster and the growing debate about how…

Authorities pressed the several thousand remaining holdouts to leave New Orleans or risk death and disease. Following an update on the ongoing search and rescue efforts, Capt. Marlon DeFillo, commander of the Public Affairs Department for the New Orleans Police…