Innovation in medicine is having a breakthrough moment

Decades of scientific investment have paid off just in the last month, with researchers announcing promising breakthroughs against cancers and other deadly afflictions.Why it matters: They're all the product of a rigorous innovation system that delivers — though some have one important limitation: All they can do is buy someone a few more years.The big picture: We're still in the era of medicine where most miraculous new drugs don't cure the disease as much as allow sick people to live longer.In...