By Chris Lehane and Tomicah TillemannCrypto founders have spent years asking policymakers for regulatory clarity. That goal got closer this week—just not in the United States.There has been a lot of noise, finger-pointing, and posturing about crypto regulation in the wake of several high-profile meltdowns in the industry. In the absence of meaningful new legislation—a.k.a. new rules for new things—many American officials continue to pursue regulation by enforcement, a posture that’s been unhe...