That’s actually not a very comprehensive article because it left out the most likely scenario — the FDA working group on CBD develops a regulatory framework this summer and gives it to Congress so that the framework can be written into legislation and passed into law — this avoids the much lengthier traditional multi-year process of rulemaking
This scenario was described by Scott Gottlieb himself in March
This is a timestamped clip of an interview with FDA Commissioner Dr. Scott Gottlieb at the Brookings Institute on 3/19/19
You only need to watch it for 2 minutes to get the complete gist of what the FDA appears to be planning to do with CBD in 2019