Thousands of students from Saudi Arabia are enrolling on college campuses across the United States this semester under a new educational exchange program brokered by President Bush and Saudi King Abdullah. The program will quintuple the number of Saudi students and scholars here by the academic year's end. And big, public universities from Florida to the Kansas plains are in a fierce competition for their tuition dollars. The kingdom's royal family — which is paying full scholarships for most of the 15,000 students — says the program will help stem unrest at home by schooling the country's brightest in the...