According to Trump, his big achievement a week ago when he announced the trade truce with China, was getting Beijing to agree to remove export limitations on rare earth minerals, which, as most now know, are so critical for US companies to make everything from cell phones, to cars, and military equipment. And yet, as discussed on a few occasions this week, it feels like the cracks in this latest trade deal are already starting to show, whether it is Beijing ordering Trump what he can't talk about, or quietly ring-fencing its domestic data center…