Amazing how all the 1 star reviews are copies of a single review. Hmm. If you didn't like it, write your own review, don't be lazy and cut and paste someone else's unless it's really the anti-Obama crowd. They were executive producers not writers/directors but let's blame them. Look what an executive producer does before you blame them for a film.
That said, the premise is great but some of the execution is too far fetched. Flamingos in the pool? Come on. Unless the came from the Bronx Zoo.
For the person who couldn't figure out the "who done it" part, the homeowner guy tells us ..... the leaflets and all that were part of step 2 of the 3 part plan. Sowing disinformation and confusion. Isolation was first. That was second and coup d etat was 3rd. And we see on the computer at the bunker house that the WH is under attack by a rogue force .... not Koreans, Iranians or China. It is us. And the kid's teeth fell out due to the sound weapon (remember one of the guys talks about it happening in Cuba) not radiation.
I do not think Julia Roberts character was better acted than the others. She was over the top IMO.
The film was more disaster filmy than it should have been. It could have told the same story without getting so ridiculous.