Before revision: Denver International Airport's baggage handling system that was 2 years and 2 billion over budget in the 1990s Six years and 1 billion spent by the U.S. Air Force on a dysfunctional combat support system Sony's continued participation in electronics after 8.5 billion in losses over 10 years Congress and advocacy group support and investment in the 21st Century Community Learning Center, which has been found to fail to meet its goals Continued funding for the Drug Abuse Resistance Education Program for school children, which research showed doesn't lead to a meaningful decrease in drug use The construction of Berlin Brandenburg Airport, which as of 2019 was €6.5 billion over budget and 10 years behind schedule.
After revision: Denver International Airport's baggage handling system that was 2 years and 2 billion over budget in the 1990s Congress and advocacy group support and investment in the 21st Century Community Learning Center, which has been found to fail to meet its goals Continued funding for the Drug Abuse Resistance Education Program for school children, which research showed doesn't lead to a meaningful decrease in drug use The construction of Berlin Brandenburg Airport, which as of 2019 was €6.5 billion over budget and 10 years behind schedule.