HPB: One other little Snape thought

[pippin_999]

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"He has fought his way out of a number of tight corners by
a simple combination of sheer luck and more talented friends."

That one made me blink. Snape doesn't attribute Harry's success
to the indulgence of  Albus Dumbledore, as he did when he was 
playing to Fudge in the Hospital wing in PoA.  Would a  DE  see 
Harry's success as due to the help  of a 'more talented'
muggleborn witch and  a blood-traitor? 

Pippin