BOCA RATON, Fla. — A formula shortage has left thousands of parents dry. “I haven’t always been able to find it, but last week I got to the point where I was missing and it was. I drove to 8 different stores last Friday,” said said Veronika Vaughn who struggled to find a formula for her. 10 months. “As a parent, it’s very scary because we don’t have answers. We don’t know when it’s going to get better, it’s been going on for a while actually,” Vaughn said . Vaughn said her baby had specific allergies and needed hypoallergenic formula...