Yeah, but he was for it... then for threatening to do it... then against actually doing it... then (currently/retrospectively) for it. ("Nuance" deleted.)
We all know why he went there. It was to bask in the glory of the victory. He's like the critters in the Little Red Hen story. Everybody refuses to help her make her bread, but then when it's baked, they're the first ones in line for finished product.
You know, this started out as only mildly embarrassing -- an exaggeration of his participation in the signing of the armistice -- but now it looks like another ultimate flip-flop. He voted against the war, but hen just had to be their to take credit for the victory.
But there is a much darker side. Kerry's faction was responsibility for the decision not to protect the Shiites, a decision that cost tens of thousands of lives.