President of the united states of America, Barack Obama has formally endorsed former secretary of state, Hillary Clinton's White House bid.
The endorsement increases pressure on US senator, Sanders, from Vermont, to concede the race so the party can focus on campaigning against rival Republican presumptive nominee, Donald Trump.
The endorsement increases pressure on US senator, Sanders, from Vermont, to concede the race so the party can focus on campaigning against rival Republican presumptive nominee, Donald Trump.