heckle [vt.]: to annoy or harass (a speaker) by interrupting with questions or taunts.
Can anyone seriously view this clip and say that the girl in question is "heckling" Senator McCain? Back in '82, I was Milton Friedman give a lecture at the college I was attending at the time (Reed College), and the event consisted almost entirely of students lobbing verbal grenades at the stage, and Friedman batting them back as if it was badminton. I saw Jeane Kirkpatrick give a lecture in '83 at CAL where she literally had to abandon her speech due to student taunts. Now, that was heckling.... [link via Digby]