"And Jesus knew their thoughts, and said unto them, Every kingdom divided against itself is brought to desolation; and every city or house divided against itself shall not stand..."
Why mention that verse? Easy: look at the political and social situation in this country.
Half of the country wants gay marriage; the other half doesn't.
Half of the country wants abortion.
Half of the country wants free healthcare.
Half of the country wants legalized marijuana.
Half want food stamps and higher minimum wages and and and ...
Half want ... well, you get the idea.
As many others have already observed, this country is radically polarized in a way that doesn't appear to have occurred since 1860. If you're not concerned about it, you wouldn't have read this far.
The BIG question is, what will God allow to happen to this nation? Have we crossed that line where He withholds His mercy, and pronounces judgment?