By Paul B. Farrell, MarketWatch.com 20 economic weapons of mass destruction triggering ticking Global Debt Time Bomb 1. Federal Budget Deficit Bomb. The Bush/Cheney wars pushed America deep into a debt hole. Federal debt limit was just raised almost 100% with Obama' s 2010 budget, to $14.3 trillion vs. $7.8 trillion in 2005. The Congressional Budget Office predicts future deficits around 4% through 2020. Get it? America's debt at 84% of GDP will soon pass that toxic 90% trigger point. 2. U.S. Fo