Families unite over fight for childhood cancer research

Our continuing series, A More Perfect Union, aims to show that what unites us as Americans is far greater than what divides us. Only about four percent of federal funding for cancer research is set aside specifically for childhood cancers. The grim reality is that 17 percent of kids diagnosed will not survive. “CBS Sunday Morning’s” Lee Cowan takes a look at the bond forged in battle between two families with a common enemy. Source