By ROBERT TANNER, AP National Writer Health care for all — an elusive goal that has tantalized presidents and governors for decades — is roaring back this year with ambitious proposals in a handful of prominent states. The promise: Cover millions of uninsured adults and children. Improve the quality of care at hospitals and doctor's offices. Rein in rising costs that are eating up workers' wages, company profits and state budgets. The problem: Someone's got to pay. And getting those with a stake in health care — doctors, insurers, hospitals, workers, employers, government — to agree on who and how...