♪ paul: china reportedly conducting two hypersonic missile tests this summer raising new concerns over beijing's nuclear buildup and its growing military capabilities. u.s. officials were reportedly caught by surprise by an august missile launch. south carolina senator lindsey graham sounding the alarm on fox this week. >> if, in fact, the chinese have developed a hypersonic missile that can deliver a nuclear weapon, it's a military game-changer when it comes to nuclear forces. if it's true that the chinese communist party has leapfrogged us in terms of nuclear technology, then god help us all. paul: let's bring in michael pillsbury, he's the director for chinese strategy at the hudson institute and author of "the 100-year marathon: china's secret strategy to replace america as the global superpower." so, michael, good to see you again.