Petraeus Did What to the President?

This is the kind of colorful figure of speech we try not to use at this web site...

http://www.weeklystandard.com/blogs/petraeus-throws-obama-under-bus_657896.html

...because it's unnecessarily confusing to foreign readers. "Throw someone under the bus" is the latest cute metaphor for "show a lack of concern and/or loyalty, usually to someone's status and career success." The President is alive and unharmed.