Senior Republican senator, who has brain cancer, could play a crucial role in keeping efforts to overhaul healthcare afloat
John McCain is to return to the US Senate for the first time since he announced his brain cancer diagnosis for a make-or-break session in the Republican effort to repeal President Obama’s healthcare reforms.
Senators will be asked on Tuesday whether to begin debate on legislation to supplant the 2010 Affordable Care Act, known as Obamacare – landmark legi...