I guess T-Pain has a new I-phone app out. Jimmy Kimmel challenge to T-Pain to do a auto tune with Obama talk or singing about health care issues on Oct 1,2009. Its hilarious when they alter the video T-Pain; interviewing Obama and singing in auto tune. T-Pain is known as the master on auto tuning;
This guy make a living from it. The video and photos are below.

Here is a Obama photo with the Gold Grill like T-Pain LOL!!!

Here is the Obama Auto-Tune video skit on Jimmy Kimmel Live below.

Video Link:Obama Auto-Tune