PERRY'S REALITY GAP BY RICHARD COHENWASHINGTON POSTWhatever global warming might or might not have done to polar bears, it has put Rick Perry’s presidential candidacy at risk. The Republican Texas governor clings to an ice floe of diminishing credibility, emerging in just about a week’s time as intellectually unqualified to be president. He engaged in a brief dialogue with a child about evolution and came out the loser. Perry said there are some gaps in the theory. If so, he is one... I take Perry seriously. the three-term leader of the vast nation of Texas.