In US, the Senate voted by the narrowest margin to move forward with its Obamacare repeal push today. Vice President Mike Pence was forced to break a tie as the Senate voted 51-50 to start debate on proposals to change the landmark health-care law. <br/><br/>The vote comes after weeks of setbacks for Republicans as party divisions stalled multiple versions of their plans to overhaul the American health-care system. <br/><br/>Passing the motion to proceed does not mean Republicans have a consensus on a bill they can pass. The procedural vote starts a complicated period in which senators will float varying alternatives for reshaping Obamacare.<br/>