A deep distrust of government has led young Americans to hold up NSA leaker Edward Snowden as a hero, Sen. John McCain said Sunday. “There’s a young generation who believes he’s some kind of Jason Bourne,” the Arizona Republican said during on “Fox News Sunday,” referring to the lead character in the Bourne movie trilogy who battled his own government, particularly the CIA. Mr. Snowden’s revelations — including details of the National Security Agency’s data-collection efforts — have led to a debate on the national security vs. privacy question, and how to balance the two. President Obama last week laid...