A Protestant gang leader and a subordinate were ambushed and shot to death in Belfast on Saturday night, and the police there linked the killings to an internal feud that has led to bombings, armed attacks, forced evictions, attempted assassinations and two other killings in Protestant working-class districts of Northern Ireland’s capital. John Gregg, 45, and Robert Carson, 33, died when gunmen fired on them as their taxicab was waiting at a traffic light in the downtown docklands area. They had just returned by ferry from Scotland where they had watched a soccer match of the Glasgow Rangers — a team with a passionate following among Ulster’s Protestants. Full Story