Bitter1-tm
by luvnews

"You go into some of these small towns in Pennsylvania, and like a lot of small towns in the Midwest, the jobs have been gone now for 25 years and nothing's replaced them," Obama, an Illinois senator, said.

"And it's not surprising then they get bitter, they cling to guns or religion or antipathy to people who aren't like them or anti-immigrant sentiment or anti-trade sentiment as a way to explain their frustrations," he said.
SOURCE

In the video below Obama makes an attempt to explain his comments..