WASHINGTON, DC - FEBRUARY 18:  Paris Mayor Anne Hidalgo participates in a panel disucssion during the White House Summit on Countering Violent Extremism in the Eisenhower Executive Office Building February 18, 2015 in Washington, DC. In the wake of last month's slaughter of journalists and police officers in Paris by Muslim extremists, Hidalgo said Paris plans to sue Fox News for 'inaccurate reports' about Muslim 'no-go areas.'  (Photo by Chip Somodevilla/Getty Images)