A 6.1 magnitude earthquake rocked Haiti Wednesday morning, shaking buildings and sending panicked people running into the streets only eight days after the country's capital was devastated by a previous quake.]]> As more U.S. states permit medical marijuana, and California considers legalizing cannabis sales to adults, Mexico is voicing irritation at the gap between drug laws north and south of the border and saying it undercuts the battle against Mexico's violent drug cartels. Mexico Secretary of the Interior Fernando Gomez Mont said last week the U.S. medical marijuana trend was "worrisome" and "complicates in a grave way" efforts to resolve Mexico's soaring drug-related violence.]]> Manuel Noriega, the onetime military dictator of Panama who also moonlighted as a CIA spy and successful drug-trafficking money launderer, was flown home Sunday after two decades in U.S. and French prisons and faced yet more jail time in Panama.]]>