Well, they did impeach Nixon and Clinton. Reagan never violated the War Powers act. Bush fully complied with it.
Does the constitution mean nothing to you either?
Is the presidential oath nothing but meaningless words?
Reagan ignored the War Powers Act in Grenada for example. Also, in the bombing of Libya.
Again, my point is that the Constitution gives the President the authority to do what Obama is doing. It is Congress that is not doing its job. You can’t conduct policy via lawyers.