所有大媒体一直爆出白等大幅度领先的数据。且看2016年的垃圾：

2016 POLLING IN BATTLEGROUND STATES

Arizona:

Trump won Arizona’s 11 electoral votes in 2016, beating Clinton with more than 91,000 votes, or 3.5%.

FiveThirtyEight projected in 2016 Two weeks out from the election, Biden is projected to get 49% of the vote while Trump will get 45.1%, 

RealClearPolitics’ average on Oct. 25 showed Clinton with 43.5% and Trump with 42%, 

Florida:

Trump won Florida’s 29 electoral votes in 2016, beating Clinton by more than 112,000 votes, or 1.2%.

FiveThirtyEight predicted Clinton would win 49.2% of Florida’s vote share while Trump would win 45.8%, 

RealClearPolitics’ average had Clinton with 47% and Trump with 44.6%, 

Michigan:

Trump won Michigan’s 16 electoral votes in 2016, narrowly beating Clinton by more than 10,700 votes, or .3%.

FiveThirtyEight predicted two weeks before Election Day that Clinton’s vote share would be 50% and Trump’s would be 42.2%, 

RealClearPolitics’ average two weeks out from the election in 2016 was 47.5% for Clinton and 37.5% for Trump, meaning Clinton was leading by 10%. She was up by 12.0% the previous week.

North Carolina:

Trump won North Carolina’s 15 electoral votes in 2016 and got more than 173,000 more votes than Clinton, or 3.6%.

FiveThirtyEight had Clinton getting 48.5% of the vote share and Trump winning 45.9% on Oct. 25, 

RealClearPolitics’ average forecast on Oct. 25 had Clinton with 47% and Trump with 44.8%, 

Pennsylvania:

FiveThirtyEight predicted two weeks before Election Day that Clinton would win 50.1% of Pennsylvania’s vote share and Trump would win 43.6%, 

RealClearPolitics’ average projected Clinton with 47.2% and Trump with 42%, 

Wisconsin:

Trump won Wisconsin’s 10 electoral votes in 2016, beating Clinton by more than 22,000 votes, or .7%.

FiveThirtyEight predicted two weeks out from the election that Clinton would win 50% of Wisconsin’s vote share while Trump would win 42.9%, 

RealClearPolitics’ polling average had Clinton with 45.3% on Oct. 25 and Trump with 39.3%, 

Polling averages show Biden with 49.7% and Trump with 43.5%, meaning Biden has a 6.2% lead, according to RealClearPolitics.