'Source Code' Jake Gyllenhaal's thriller is confusing but exciting

Credit: Eric Helton
'Source Code' Jake Gyllenhaal's thriller is confusing but exciting

Peter Travers says that Source Code, starring Jake Gyllenhaal, is like a thriller version of Groundhog's Day, with Gyllenhaal reliving the same eight minutes until he can prevent a bomb from blowing up all of Chicago.