Conversation so far:
What did Stephen E. Ambrose plagiarise?
In 2002, Ambrose was accused of plagiarizing several passages in his book The Wild Blue.
Did Stephen E. Ambrose plagiarise anything else?
A Forbes investigation of his work found cases of plagiarism involving passages in at least six books, with a similar pattern going all the way back to his doctoral dissertation.
Did Stephen E. Ambrose get caught?
The History News Network lists seven of Ambrose's more than 40 works contained content from twelve authors without appropriate attribution from Ambrose.

Question: what were the repercussions?
Self-contained rewrite: What were the reprucussions?