The US Senate will vote Wednesday on a national abortion rights bill – a process likely doomed to fail – after a leaked draft decision signalled the Supreme Court’s readiness to overturn the 1973 Roe v Wade decision. The AFP news agency reports that the prospects of success are virtually zero, given the blocking power of Republicans in an evenly divided 100-seat Senate where key legislation almost always faces a 60-vote threshold. But the vote will nonetheless put lawmakers on record regarding one of the country’s most divisive issues.