Character matters. Wasn't that the battle cry of the Conservatives after the Liar in Chief got elected.
If Huckabee lied about his weight loss, then he is no better than Clinton lying about having sex with that woman.
He wrote a book about how he lost weight and if he lied in that book, then he's finished as a candidate for me.
Unless he tried to get people to perjure themselves about him getting bariatric surgery, I'd say Clinton is a tad worse.