By Mark Jefferies & Victoria Johns Kate Garraway admits she’s still struggling with grief following the tragic loss of her husband, Derek Draper. The former spin doctor died, aged 56, on January 3 this year after contracting Covid in March 2020. Kate, also 56, who shares two children with Derek, opens up about her heartbreaking loss in a new documentary Derek’s Story. Revealing how she’s coping after returning to work on Good Morning Britain and Smooth FM, she said ahead of the film’s release next week: “Dealing with our grief as a family has been so hard, and we have a long way to go of cours…