Trademarks are not earned, they are applied for.
Also, his lawyers make no mention of RonaldErnestPaul.com, nor does it mention the likely hundreds, if not thousands of domains that contain the words "RonPaul" in addition to other words. What about all those sites? Are they suddenly at risk?
No, this lawsuit is nuts and should be summarily tossed. If not, I'd gladly contribute to a legal defense fund for the domain holder. Ron and his legal counsel are wrong on this one.