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What history has shown us about contested elections and peaceful transitions of power.

USA TODAY

The protracted race for presidency has confused some channel-flippers.

Look at Fox News Thursday, and you’ll see Joe Biden has 264 Electoral College votes of the 270 needed to win, while Donald Trump lags behind with 214. But tune into CNN and you’ll find that Biden has 253, while Trump has 213. 

What’s behind the discrepancy?

Some networks are using different polling data to make conclusions about which states are being won by each candidate.

CBS, CNN, ABC and NBC (along with its cable sibling MSNBC) are members of the National Election Pool, a consortium using data from Edison Research.  

People cast their ballots for the 2020 election at the Sherman Township Center School on Tuesday, Nov. 3, 2020, in Colo, Iowa.  (Photo: Brian Powers, The Register/ USA TODAY Network)

But the Associated Press,