It's CPAC weekend - the grand rallying of the conservative clan here in Washington. It's a season where conservatives from across the country meet to compare notes, share stories, and seek political consensus. The consensus forming this year however is an ominously dangerous one - ominously dangerous to conservatives themselves that is. Conservatives live in thrall to a historical myth, and this myth may soon cost us dearly. The myth is the myth of the Goldwater triumph of 1964. It goes approximately as follows: In 1964, after years of watered down politics, Republicans turned to a true conservative, Arizona Senator...