Washington - The United States went to great lengths to prevent a Soviet backlash as the Berlin Wall fell, playing down the joyous occasion as "just another step" towards the crumbling of communism in Eastern Europe, says retired general Brent Scowcroft, the top White House adviser at the time. Scowcroft, 84, served as president George HW Bush's national security adviser when the Berlin Wall came down on November 9, 1989. In an interview with the German Press Agency
