Even while his Fearless Leader is playing all nice in China, Wisconsin's really dumb senator, Ron Johnson, went on Fox to badmouth the country: Well, Sandra, well, the American public ought to read Sun Tzu's Art of War because it's exactly the kind of warfare that China conducts across the board. They're long-term thinkers. They have pervasively invaded America with the investments into our university system. They have plundered America to the t…