Majority doesn't mean correct...never has, never will.
You can look at his statement several ways.
"Obama was popular...is he in the best interest of the country"
or
"The idea of invading Iraq was popular...was it in the best interest of the country"
or
"Slavery was popular...was it in the best interest of the country"
or
...
well, you get the idea, eh.
Global Warming, Obama -- 'nuff said.
In the truth we find there was quite bit a controversy about slavery with the founding fathers, it wasn't as popular as one might think.