Fred Karger is not your average Republican candidate for president in 2012. For one thing, he's moderate. For another, he's Jewish. And for another, he's gay. While he never hid his politics or religion from the world, he did keep his homosexuality a secret for years. He was 41 when he finally came out to his family. And in his 27 years at one of the most highly regarded political consulting firms in the U.S., he never told his peers. Only after Karger retired in 2004 did he reveal himself. The revelations coincided with a new found social activism that blossomed in 2008 when Karger became...