Bloomberg slams Clinton: she stabbed NYC in the back:

Mayor Michael Bloomberg said her betrayal has cost the city $260 million in lost tax revenues and counting.

It didn't take long for Clinton to double cross New York City. Six months into her tenure as secretary of state she has suddenly exempted diplomats from paying some property taxes here.

"It is totally unfair," Bloomberg said.

The mayor said it's not only a double cross but a double flip flop. As New York's junior senator, Clinton fought to make diplomats pay up. And he said her reversal changes a longstanding policy.

"Since 1873 they've been saying this is taxable," Bloomberg said.

What's more, the mayor predicted that -- freed of paying property taxes -- some governments would see it as a business opportunity to buy up properties and make money renting them out.

"It's just patently unfair to New Yorkers and Americans and it contravenes established policy for 130-odd years and it just doesn't make sense," Bloomberg said.