Sorely under-used today, chickenhawk was a popular expression during Vietnam. It describes an individual, often a politician, who clamours for war while avoiding military service. George W. Bush is a prime example.
The logical conclusion to reach when faced with students who are politicised is, of course, to accuse them of showing off. That's what Jack Rivlin did when he heard of the King's College London Think Tank and its enthusiasm for social reform.
Thinking back to the student riots a couple of years back, you'd be forgiven for feeling like you'd had enough of students. Think again: not all of us are swinging from the Cenotaph to try and get our voices heard (what was it you were trying to say exactly, Charlie Gilmore?).