The BBC has called on the makers of The Apprentice to carry out stricter background checks on contestants, after one due to appear on the forthcoming series was found to have made offensive posts on social media. The messages from candidate Levi Hodgetts-Hague included discriminatory remarks towards Muslims and sexist comments about women, according to the Sun on Sunday , which first revealed the posts. Naked, the production company behind the award-winning show, said social media checks had "