This is a 109-page document containing a detailed set of comments of on the February 14, 2015 NPRM issued by the FAA regarding small unmanned aircraft, a.k.a. "drones." A cover letter is attached to the front to give you the author's background.
The NPRM suffers because it (a) fails to include multi-rotor helicopters and (b) it contains numerous fallacies, technical errors, and contradictions.
The report includes the relevant sections of the NPRM's text to make it easier for you to see the FAA's original words.