Former President Donald Trump’s decision to autograph a photograph of the slain student Laken Riley, then pose for a photo with a smile on his face, spurred harsh scorn from his critics on Tuesday. Trump met with the family and friends of Riley, a 22-year-old Augusta University nursing student killed while jogging in the earlier hours of Feb. 22, then shared a press release Monday with a parade of images from the visit. “I met them, they’re so incredible,” reads Trump’s takeaway. “The whole group is incredible.” Riley has become the focus of a conservative campaign for stricter border control …