Former President Barack Obama said Wednesday it is "aggravating" to see the Republican-led Congress continue with its attempts to overhaul Obamacare, efforts he suggested would inflict "real human suffering" on the American people. "When I see people trying undo that hard-won progress, for the 50th or 60th time, with bills that would raise costs or reduce coverage or roll back protections for older Americans or people with pre-existing conditions — the cancer survivor, the expectant mom, or the child with autism, or asthma for whom coverage once again would be unattainable — it is aggravating," Obama said during a keynote...