© Greg Nash The Pentagon's former software chief resigned and said that China is headed toward global dominance in artificial intelligence due to the relatively slow pace of innovation in the United States. "We have no competing fighting chance against China in 15 to 20 years. Right now, it’s already a done deal; it is already over in my opinion," the Pentagon's former software chief, Nick Chaillan, told the Financial Times, adding that some of the U.S.'s cyber defense systems were at "kindergarten level."Chaillan announced his resignation last month as an act of protest against the United States' slow pace…