The shooting death of a Denver police officer is sparking a fight over immigration reform. The suspect, Raul Garcia-Gomez was in the United States illegally at the time Detective Donald Young was killed. That has stoked the debate on immigration and whether Denver has become a sanctuary for illegal immigrants. On Monday a group that wants to reform immigration laws held a rally at the City and County Building. They believe the door should be shut tight to illegal immigrants. They insist that if Garcia-Gomez had been turned over to immigration authorities when stopped on traffic offenses, Young might be...