President George W. Bush on Monday tried to balance differences in his own Republican Party over illegal immigration by rejecting amnesty and calling for a hardened Mexico border but also vowing the United States would remain “a welcoming society.” Fueled by fears of terrorists slipping into the country, escalating violence and drug smuggling, Americans have become increasingly worried about illegal immigration. More than three-quarters think the government is not doing enough to control the borders, according to a CBS News poll last month. Full Story