We track down disabilities champion, Ralf Hotchkiss, who is in Nicaragua helping poor communities design and build more durable, low cost wheelchairs.  Then filmmaker Helen Young promotes her gripping documentary about the elderly activists who snuck onto two of the most fortified military installations in the country to peacefully protest the nuclear weapons industry.  Plus, David, Steve and Ralph talk more about Al Franken and sexual harassment as well as the GOP tax bill.

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