Battered state vows to solve Mexican security woes

MONTERREY, Mexico,  (Reuters) – Despite suffering one  of the worst attacks on civilians in Mexico for years, the  state of Nuevo Leon is undaunted because it believes a radical  police overhaul will soon start winning the drug war.

President Felipe Calderon declared three days of mourning  after at least 52 people died on Thursday in an arson attack on  a casino in Nuevo Leon’s capital Monterrey, a wealthy city that  increasingly has fallen prey to the ravages of drug cartels.

Hundreds of protesters staged a