When asked which branch of government protects citizens' rights, we tend to think of the Supreme Court--stepping in to defend gay rights, for example, in the recent same-sex marriage case. But as constitutional scholar Louis Fisher reveals in his new book, this would be a mistake--and not just because a decision like the gay marriage ruling can be decided by the opinion of a single justice. Rather, we tend to judge the executive and judicial branches idealistically, while taking a more realistic view of the legislative, with its necessarily messier and more transparent workings. In...