Newt Gingrich's girth surely could be a target in the race to be the Republican presidential nominee. Will it cost him? "Study after study after study shows the same thing. Weight bias is a highly prevalent form of discrimination, more common than other forms that have protection within our laws," says Yale University's Rebecca Puhl (Associated Press)

Newt Gingrich's girth surely could be a target in the race to be the Republican presidential nominee. Will it cost him? "Study after study after study shows the same thing. Weight bias is a highly prevalent form of discrimination, more common than other forms that have protection within our laws," says Yale University's Rebecca Puhl (Associated Press)