Brian Williams' Exclusive with President Obama

Here's a preview of tonight's broadcast of Brian Williams’ exclusive interview with President Barack Obama, airing tonight on “NBC Nightly News.” Williams has been given rare behind-the-scenes access to the President during the campaign’s “America Forward!” blitz of battleground states.

Additional clips will be followed by special extended coverage on “Rock Center with Brian Williams” at 10/9 Central.

Visit NBCNews.com for breaking news, world news, and news about the economy