WAVERLY, Iowa (AP) — Elizabeth Warren pushed back against critics of her newly-released plan to phase in implementation of a single-payer health care system, insisting Saturday that she is “fully committed” to Medicare for All and that she plans to first build on existing health care program…

PHILADELPHIA (AP) — People with severe but stable heart disease from clogged arteries may have less chest pain if they get a procedure to improve blood flow rather than just giving medicines a chance to help, but it won't cut their risk of having a heart attack or dying over the following fe…