As the White House released long-sought documents on the Benghazi affair and Republican lawmakers have renewed their criticism of the Obama administration's handling of it, three big Republican groups have all produced videos on the episode that led to the death of an American ambassador. All strike a similar tone and focus on the same target: Hillary Clinton, the former secretary of state whose strong polling numbers make her an early favorite in the 2016 presidential election.  

One video comes from the Republican National Committee and two from outside spending groups:  American Crossroads, a super PAC, and American Future ...