Responders in Morocco struggle to access remote areas hit by devastating quake

Morocco began three days of national mourning Sunday after suffering its worst earthquake in over a century. At least 2,100 people have died and many more remain unaccounted for as rescuers search for survivors. The United Nations estimates 300,000 people were affected by Friday night’s quake. Special correspondent Alex Cadier joins William Brangham with the latest from Marrakech.