shaking and can t stop could there be a cancer danger in your soda? that carmel coloring that seems to be found in nearly every processed food these days is coming under closer scrutiny by the fda. karen travers has the latest from washington. reporter: the super bowl s coming up and americans will be stocking up on sodas. but you may want to rethink what you re drinking. the fda says it s looking into whether the carmel coloring in soft drinks and other foods has any risks after a new study from consumer reports. consumers should be aware that the soft drinks they drink do contain caramel coloring and every one we tested with caramel coloring did have the presence of potential carcinogen. reporter: the chemical is called 4-mei and it s a