Meh, I find it kind of funny really. Ron Paul is clearly not a racist by any stretch. He also has pretty much zero chance of being elected POTUS.
Something that was written in some newsletter 15 years ago or more is pretty much irrelevant unless it was some quote like "I hate black people" or "WHITE POWER!!!".
There are plenty of observations that are basically true that sound racist when flat out stated out of context.
Truth : White people suck at running and jumping compared to black people. Evidence : world records, state high school record boards, etc.
Truth : White people commit far more major financial crimes. Evidence : basically the SEC's entire history of getting major offenders prosecuted.
Truth : Black people in America on average commit more violent crime and drug crime than White people. Evidence : arrest/conviction/recidivism rates. (note : this is somewhat exacerbated by more black people living in very poor financial and social situations, which is MUCH MUCH more an indication of the root cause than anything genetic whatsoever).
Now. If I just say "Hey Bob, Black people in America on average commit more violent crime!" that sure sounds like racism. And it *could* be, if it were my intent to disparage an entire race based on statistics.
There's a very foggy line in these issues. But it definitely hurts rational dialogue when people are so afraid to talk about racial issues. Even making observations in the area of race can sound racist, regardless of the truth, or the usefulness of the data. For example the large drug problems (not talking MJ, but harder stuff) .. that hit poorer populations of all races the most, it would make sense to analyze those statistics and work towards targeted solutions. How about instead of sending so many poor black (as well as white or hispanic) people to jail for non-violent drug crimes, spend some of that money on rehab centers and free/low cost job/skill training?