The Institute for Migration and Ethnic Studies (IMES), the Amsterdam Institute for Social Science Research (AISSR) and ACCESS EUROPE are organizing a debate on the dynamics of integration in the academic-cultural centre SPUI25 in Amsterdam. Prof. dr. Rinus Penninx and Dr. Liza Mügge will discuss the following questions: How should Europe deal with its borders? Who is welcome and who is not? What kind of practical solutions are necessary?