Obama steps up to boost campaign of sidelined Clinton

While Hillary Clinton took a break to recover from pneumonia, President Obama stepped in on the trail, praising the resilience of his former secretary of state. On Monday night, the Democratic nominee told CNN she had thought the delay in releasing news of her illness wasn’t going to be “that big a deal.” Meanwhile, Donald Trump hit the the road to tout his plan on childcare. Gwen Ifill reports.