Latino: No. Maybe he can repair some damage among Cuban-Americans, but even that seems unlikely.
Women: Doubtful. Less absurd than than the other two, but still very difficult.Muslims: Absolutely not, and he would alienate many of his own supporters if he tried to.
He can get those numbers down to around 40% disapproval if he actually tried.
Far as hispanics like i mentioned before it would be great if he won despite of them because that would basically be a mandate from American voters to finally stand up to the open boarders crowd.
BTW.. Mitt lost because hes Mitt Romney nobody wanted to vote for that guy republican or dem and even now he running around the country begging people to like him.