There's been no shortage of stupid talk lately, but a column by John Perry discussing a military coup to solve the "Obama problem" is a prizewinner.
First off, it's a slander against the professionalism of the US military to suggest that something like that is even possible. It really represents the fevered fantasies of certain right-wing loonies rather than a real possibility. Perry's column doesn't actually indicate he has any real sources for any of this.
Secondly, it's yet another example of the extremism of the Right generally since Obama took office. Yes, it is true that Bush had some harsh things said about him, although to be fair most of that invective came later in his term after he had actually done a lot of objectionable things like invasions, warrantless wiretapping, disaster relief failures, etc. Obama's been in office just months and he's getting even more extreme talk -- and he's actually done relatively little so far.
Media Matters discusses the episode with a link to the original piece: http://mediamatters.org/blog/200909290042