By Sam Elliott-Gibbs Gregg Wallace has hit out at the “cruel and unfair” response to his recent column after facing backlash for saying he “wouldn’t have chosen” to have his son. TV star Gregg, 59, wrote a widely-mocked piece about his Saturday regime which went viral this week. The 59-year-old MasterChef star raised eyebrows when an interview he gave detailing his daily routine gave an intimate insight into his cosy life with 37-year-old wife Anne-Marie Sterpini and their four-year-old Sid. In the article, Gregg said wife Anna, who is 22 years younger than him, wanted a family. However he adm…