Second, you claim it's trashing the US Constitution, but it was a power granted by Legislative branch, performed by the Executive, after a Judicial order. All the checks and balances you could ever ask for.

Third, he's properly referred to as, "President Obama," while he is in office. Respect the title, if not the officeholder.

Fourth, it's the Administration, not President Obama himself.

Fifth, grammatically it should be, "Pay your taxes, citizen."

Sixth, the law was written by President Bush's Administration and the Republicans in Congress. So blaming "Obama" is particularly stupid.