States’ rules on occupational licenses are keeping Americans with criminal records from starting businesses, finding work and becoming full, functioning members of society, according to a new report from the Kauffman Foundation. More than 600,000 people leave state and federal prisons in a normal year, and one year later, about 60 to 75 percent of them are unemployed, Kauffman found. If they’re able to find work, they typically earn less…