GOP’s Graham unveils nationwide abortion ban after 15 weeks

Sen. Lindsey Graham, R-S.C., speak during a news conference to discuss the introduction of the Protecting Pain-Capable Unborn Children from Late-Term Abortions Act on Capitol Hill, Tuesday, in Washington. (AP Photo/Mariam Zuhaib)

WASHINGTON — Upending the political debate, Republican Sen. Lindsey Graham introduced a nationwide abortion ban Tuesday, sending shockwaves through both parties and igniting fresh debate on a fraught issue weeks before the midterm elections that will determine control of Congress.