World are saying goodbyes to the absolute greatest, muhammad ali. Good sunday to you. Were glad youre with us. Im leland vittert. Im elizabeth prann. Welcome to americas election headquarters from washington. Were less than 48 hours away from the big primary contest of 2016. Six states have democratic primaries or caucuses on tuesday. California is the big prize. With 475 delegates up for grabs on the democratic side. Hillary clinton and Bernie Sanders are canvassing the state. Clinton is looking ahead to likely clinching the nomination while sanders is talking a contested convention. Were live on the ground in the golden state. Hi, mike. Reporter hi, elizabeth. Its crunch time ahead of tuesdays primary with california being the central battleground. Bernie sanders came out swinging today, blasting the Clinton Foundation for collecting millions of dollars from foreign governments while Hillary Clinton was secretary of state. As for clinton, she is back on the campaign trail here in cal