Why middle-class Americans are saddled with the most medical debt

<p>At least 100 million Americans have some sort of medical debt. But, the group with the highest rates of medical debt might surprise you.</p><p>The big picture: Nearly 1 in 4 middle-class Americans, people who earn $50,000-$100,000 a year, have unpaid medical bills, according to a new report from the think tank Third Way. We take a look at why middle-class Americans have the highest rates of medical debt.</p> Plus, we follow our teacher shortage reporting with teachers' own stories. And, a lack of bus drivers adds to the back-to-school chaos. <p>Guests: Axios' Tina Reed and Stephen Totilo.<...