ROBERT MULLER  POPE Francis has condemned prejudice and discrimination against Europe's Roma people during a visit to one of the most impoverished communities in Slovakia, saying it was wrong to pigeonhole entire ethnic groups. Francis, 84, arrived at the bleak Lunik IX settlement on the outskirts of Slovakia's second-biggest city, Kosice, on his penultimate day in the country. "We cannot reduce the reality of others to fit our own pre-packaged ideas; people cannot be pigeonholed," he said, overlooking the dilapidated concrete apartment blocs where about 4,300 people live next to the city garbage dump. "All too often you have been…