Rankin. Saints of the shadow bible. Page 34.

Toeing the line (obeying orders)?'  

There was bread on the table and Clarke tore at a chunk (a part of something, a roughly cut piece), realizing it had been sometime since her last meal.  

     'Are we ordering wine?' her companion asked.

     'A glass of white will do me.'

     'House?' the waiter asked.

     'House,' Clarke agreed.

     'Small or large?'

     'Large.'

     'Same for me,' Galvin told him.

…a tub of ice cream.

But since we do seem to be talking shop (to talk about your job with those you work with when not at work) …'

'I looked him up on Google - Scottish National Party stalwart (a person who has been loyal for a long time) … face of the Yes campaign (Yes Scotland, say yes to independent Scotland) … married to a lawyer called Bethany…'

Studied it at university but ended up in politics instead - I dare say he did some cramming (to try to learn a lot very quickly before an exam) before taking on the Justice portfolio.