As Europe struggles with issues of integration and assimilation, Norway’s attacks have exposed the danger of the continent’s right-wing extremists. The suspect’s tirades against multiculturalism and Islam come at a time when governments across the continent work to ease immigration and cultural differences. The country must now face the prospect of more violence. Jonathan Laurence is a professor at Boston College, and an expert on European politics and Islam, talks about the region’s political and cultural identity in his book “The Emancipation of Europe’s Muslims: The State’s Role in Minority Integration.” Dr. Saeed Khan, a lecturer in Islamic and Middle East study at Wayne State University in Detroit, talks about the rise of Islamophobia around the globe.