Tourism Minister Daniela Santanchè went to work as usual at her ministry on Wednesday after Premier Giorgia Meloni called on her to resign on Tuesday.     Wearing a beige suit and sunglasses and accompanied by her bodyguards, the minister, who is under investigation in several cases related to her business activities, arrived at the ministry at 10:05 and nodded a greeting at the journalists waiting for her there, without making any comments.     Santanchè, a Senator for Meloni's right-wing