I just got a press release from the Arizona conservative. An excerpt:
Two years ago I considered retiring and briefly announced my intention to do so. I was talked out of that decision by my constituents and colleagues. For those who encouraged me to run then and particularly those who stepped up and helped financially in that race, I want to reiterate my sincere appreciation. 2008 was a disastrous year for Republicans. Yet, with their help we proved that this is a solidly Republican seat, defeating my Democrat challenger by double digits notwithstanding the millions of dollars poured into this race by National Democrats. This time, however, my decision is irreversible.