US leads the way, by a lot, with China No. 2
                                
                                
                                    (Newser) -
                                    In 2010, the countries of the world spent a combined $1.63 trillion on their militaries, according to  24/7 Wall Street . That includes money for weapons, soldiers, and maintaining infrastructure. The US led the way by far with just below $700 billion, more than the other top nine countries combined....