From an Aug. 17 NewsBusters post by Matthew Balan complaining that people on CNN described the AR-15 one man was toting outside of President's Obama speech before the VFW (one of several guns carried outside the speech) as an "automatic weapon" and an "assault rifle":
The civilian AR-15 is a semi-automatic rifle, not an “automatic weapon” as Murphy put it. It also cannot be accurately described as an “assault rifle,” as Sanchez labeled it, because an assault rifle, by definition, is a selective-fire weapon, with either fully-automatic or semi-automatic capability. Leave it to three liberals to get it wrong on guns.
So the AR-15 a "semi-automatic rifle," but it's not an "assault rifle" because those have "semi-automatic capability"? We're confused.