Secret War National Geographic Explorer : Season 2017 Episode 7

CNBC 2h 00m int(0)

Aired: November 23rd, 2011 @ 8:00 PM EST on CNBC

The U.S. dropped more than 2 million tons of bombs on Laos from 1964 to 1973 during the Vietnam War. That's equal to a planeload every 8 minutes for 9 years. How does a country recover? New hope for Vietnam War survivors; Neil deGrasse Tyson and Ron Howard; high-tech self-improvement.