The events surrounding the deaths of Ambassador J. Christopher Stevens and three other Americans in Benghazi, Libya, on Sept. 11, 2012, look dramatically different depending on your politics. Republicans tend to see a cover-up and a scandal. Democrats see an attempt to damage President Barack Obama and former Secretary of State Hillary Clinton. A Pew poll suggests that the public is divided as well, with 40 percent saying the administration has been dishonest, 37 percent saying it has told the truth, and 23 percent saying they're not sure. Let's assess what we do and don't know.