Pills and capsules are the new wave in cancer treatment, but patients often are finding that their insurance companies refuse to pay for these medications. Experts say these oral drugs--which may soon account for as much as 25 percent of cancer treatments--can free patients from frequent trips to a clinic to be hooked to intravenous drugs for hours. This reduction in doctor visits might save the health system money as well as time. And the pills may help move medical science steps closer to...