How did Sirius lure Severus into the Willow? (was: James the Berk?)

[Casey]

No: HPFGUIDX 106037

> Jen: Snape didn't get his coveted pound of flesh because he had 
> > reasons for keeping silent. It's clear in POA that Snape is willing 
> > to skirt around Dumbledore's wishes when he wants to; nothing 
> > Dumbledore said or did would keep Snape from talking about the Prank 
> > if he wanted to. No, he's not talking because he's either hiding 
> > something or protecting someone. Which it is, I haven't a clue.
> 
> Amber:
> 
> You have very good points there, Jen. At the end of
> PoA it didn't stop him to reveal that Lupin is a
> werewolf. He knew very well that this went against DD
> wishes. I don't think he would have keep his mouth shut
> unless he's got a good reason.

Casey:

Unless Snape learned from that event that his only option was to 
speak up. That leaving it up to Dumbledore to take the, in his 
opinion, correct action was a lost cause.