Police in cities and towns across the country have been deployed in recent days to clear pro-Palestinian demonstrators from a growing number of encampments and occupied buildings on the campuses of American colleges and universities. Since April 18, more than 1,500 arrests have been made at over 30 colleges, according to a CNN analysis. In addition to the crackdowns, universities have also canceled commencements, moved to remote classes and restricted access to campuses. What’s the latest? What sparked the protests? After decades of conflict between Israelis and Palestinians living in the occupied territories of Gaza and the West Bank, Hamas,...