The conservative blogosphere has yet to move past the death of patron saint Andrew Breitbart, but it will get a major jolt this month from an equally provocative hero: Sarah Palin. The former Alaska governor and 2008 GOP vice presidential nominee has committed to delivering the keynote address at Right Online, the annual gathering of conservative bloggers and online activists organized by the Koch-backed non-profit group Americans for Prosperity Foundation. The June 15-16 conference will be the first time the event is held on a different weekend and in a different city from the liberal online activism conference upon which...