Commentary The scandal currently not roiling Canada over military sexual misconduct is a classic case of a fish rotting from the head. Not just a green one. A political class that threw it in the alley when nobody was looking and is now going: Smell? What smell? Well, the very credible allegations against former chief of defence staff Jonathan Vance, including an “inappropriate relationship” with a subordinate lasting so long that, she says, he fathered two of her eight children. But did not support them, which would have been a bit of a red flag. We don’t know if it’s true. But we know these allegations were brought to very senior political figures three years ago, including the defence minister and prime minister’s chief of staff, who flung them away with distaste. Now that the reek has gotten into Parliament, the politicians are in full politician mode. Deputy Prime Minister …