File photo of former CIA agent Valerie Plame and husband Joe Wilson arriving for party in Washington

 
File photo of former CIA agent Valerie Plame and husband Joe Wilson arriving for party in Washington
Former CIA agent Valerie Plame (R) and her husband Joseph Wilson (L) arrive for a party following the White House Correspondents' Dinner in Washington in this April 29, 2006 file photograph. Plame and her husband sued U.S. Vice President Dick Cheney, top presidential aide Karl Rove and others on Thursday for their role in the public disclosure of her classified CIA status. REUTERS/Jonathan Ernst/Files (UNITED STATES)