The U.S. Army's 101st Airborne Division has been deployed to Europe for the first time in almost 80 years amid soaring tension between Russia and the American-led NATO military alliance. The light infantry unit, nicknamed the "Screaming Eagles," is trained to deploy on any battlefield in the world within hours, ready to fight. CBS News joined the division's Deputy Commander, Brigadier General John Lubas, and Colonel Edwin Matthaidess, Commander of the 2nd Brigade Combat Team, on a Black Hawk helicopter for the hour-long ride to the very edge of NATO territory — only around three miles from Romania's border with...