With Rand Paul, we also get further evidence of race’s role in a movement whose growth precisely parallels the ascent of America’s first African-American president. The usual Tea Party apologists are saying that it was merely a gaffe — and a liberal media trap — when Paul on Wednesday refused to tell Rachel Maddow of MSNBC that he could fully support the Civil Rights Act of 1964. But Paul has expressed similar sentiments repeatedly, at least as far back as 2002.

His legal argument that the federal government cannot force private businesses to desegregate is the same used by Barry Goldwater, a frequently cited hero of Paul’s, when the conservative standard-bearer voted against the Civil Rights Act at its inception. It’s all about the Constitution, not race, you see. Under fire, Paul ultimately retreated from this stand — much as the new Republican governor of Virginia, Bob McDonnell, finally withdrew his April proclamation saluting Confederate History Month. But not before both men’s messages reached their intended demographic.