Christian Frantz, who is blind and has autism and ADHD, attended a career fair designed to show blind and low-vision high school students that they belong in STEM fields. “My message to anyone with disabilities [is] don’t let others say you can’t, because you can,” Frantz, 20, said in the hallways of Collier Scripps Hall, Drake University’s School of Education. The Career Connections STEM fair, held Thursday, was a collaboration between