There is a perfectly good case that Obama is not legitimate and needs to be impeached.

Unfortunately, despite putting on the partisan show the MSM (and yes Fox is MSM) mostly ignores the real reasons he should be impeached. Like making recess appointments when congress isnt in recess, assassinating US citizens without due process, signing and using NDAA indefinite detention powers, etc.

For who could be free when every other man's humour might domineer over him? - John Locke (2nd Treatise, sect 57)