By David Ljunggren
OTTAWA (Reuters) - The top aide to Canadian Prime Minister Stephen Harper abruptly resigned on Sunday over his role in an mounting expenses scandal which is threatening to undermine the Conservative government.
Nigel Wright, Harper's chief of staff, quit after secretly giving a C$90,000 ($87,000) check in February to Mike Duffy, a member of the upper Senate chamber, to help him cover living expenses he had improperly claimed. News of the gift leaked late on Tuesday...
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