PBS News Weekend

As this year's hard-fought presidential race enters its final days, Hillary Clinton and Donald Trump are campaigning for their respective winning paths to the 270 electoral votes needed to take the White House. Looking ahead to how election night will unfold as polls close across the country, what battleground states will decide the next president of the United States? What are the key results and trends to look for hour by hour, as certain states are called for Clinton or Trump, or too close to call for either candidate? Who might win the pivotal Senate races and what will that foreshadow for control of Congress? NewsHour Weekend Special Correspondent Jeff Greenfield offers a close look at the possibilities and what to watch for. ALSO: Should we do away with the electoral college? Legislators in a growing number of states are trying to put the nation on a path to elect whoever wins the overall popular vote. NewsHour Weekend's Alison Stewart will explain their idea.