Germany announces it will tighten borders

Germany's migration policy at the border is hardening in the wake of the far-right Alternative fur Deutschland (AfD) winning elections in a provincial race. They have capitalized over growing uneasiness in Germany over migration, especially after ISIS claimed responsibility for a knife attack that killed three people in August. The World's Marco Werman speaks with Marcus Engler, a German migration policy analyst, about the reasons behind the policy shift, and what it will mean on the ground at the borders.