Rep. Mike McCaul, (R) of Texas, who chairs the House Homeland Security Committee, already has his short list of replacements for Secretary Napolitano:
Retired Coast Guard commandant Thad Allen, New York City Police Commissioner Ray Kelly, and William Bratton, who headed police departments in New York, Los Angeles, and Boston.
"I think any three of those coming in would gain much respect from House Republicans and could help us at a time when we're really trying to push this border security measure out of the House of Representatives," the Republican congressman from Texas said on "Fox News Sunday."
The Hill newspaper adds several names to that list of possible candidates:
Richard Clarke, a security and terrorism expert who’s worked in Republican and Democratic administrations going back to Ronald Reagan; James Witt, former President Clinton’s head of FEMA tapped by former Louisiana Gov. Kathleen Blanco to lead the state’s reconstruction efforts after Hurricane Katrina; former US Sen. Joe Lieberman, who chaired the Senate Homeland Security and Governmental Affairs Committee; and Rep. Mike Rogers, (R) of Michigan, a former FBI agent who chairs the House Intelligence Committee.