PBS NewsHour Weekend full episode Oct. 21, 2017

Aired: 10/21/2017 | 0:24:54 | Expires: 11/20/2017 | Episode
On this edition for Saturday, Oct. 21, one of the U.S. soldiers killed in Niger is laid to rest, and Spain moves to dissolve the secessionist government in Catalonia. Also, a look at the number of global deaths caused by pollution. Hari Sreenivasan anchors from New York.