Morning Extra - Are school pupils out of control?

A Dundee teacher's career appears to be in ruins after he was found guilty of assaulting two pupils who'd subjected him to a prolonged period of abuse. Currently suspended and now facing disciplinary action, is this a victory for classroom yobs, or should any teacher found guilty of assault be banned from teaching ever again? And do teachers have any authority anymore? Plus... Your experiences of the office Christmas party. Tonight is traditionally the busiest night for office Christmas parties. Is it a good chance to let your hair down, drink and be merry, or is it an annual embarrassment - the bash you want to avoid at all costs? Graham Stewart takes your calls, texts and emails.