and by the frontline journalism fund, with major support from jon and jo ann hagler.aptioned byro media access at wgbh access.wgbh.org >> for more on this and other "frontrone" programs, visit ours e at pbs.org/frontline. ♪ f to ordntline's, "fire in paradise" on dvd, visit shoppbs or call 1-800-play-pbs. this program is also available on amazon prime video. ♪ you're watching ♪ ♪ -you've said you'd favor middle-class tax cuts. -the front line is just up here. at's where the river... -she took me out to those wetlands. -i think we'ree'ff to a great start. ♪ (explosions booming) (guns firing) (helicopter blades whirring) - [narrator] saigon was now encircled and soutetnamese troops could not move up more than 10 miles along any road. beyond that, the communists were waiting. saigon was about to fall. (soldier shouting in foreign language) soon, the war would be over. american embassy officials promised a northern evacuation

and by the frontline journalism fund, with major support from jon d jo ann hagler.g >> for more on this and other programs, visit our website at pbs.org/frontline. ♪ to order frontline'sst wen on dvd visit shop pbs, or call 1-800-play-pbs. this program is also available on amazon prime video. ♪ you're watching pbs -these buildings aig all from celestially ned.merica... -...with unique systems of science, art, and writing... his knowledge has been accumulated over thousands of years. -...connected by shared knowledge and beliefs. -the past re also part of thent. -discover a remarkable new view of native america. premieres tuesday, october 23rd, at 9, 8 central, only on pbs. narrator:: it's a brand-new "nutcracker." woman: stopher wheeldon is a choreographer who had a brilliant idea to place "the nutcracker" in t. chicago world's man: he wanted to do "the nutcracker" poor people instead of rh people. working in the world's fair. bigger than a broadway musical. wor n 2: his world of thd ballet, there should be a new word for it. narrator: come behind the scenes and see