https://www.theguardian.com/us-news/...election-polls

One hundred days before the presidential election, Joe Biden has built a commanding and enduring lead over Donald Trump, whose path to victory has narrowed considerably in the months since the coronavirus pandemic began.

The president’s fortunes appear increasingly tied to the trajectory of a public health crisis he has failed to contain, with the death toll past 145,000 and the economy in turmoil.

A Washington Post-ABC News poll this month showed Biden far ahead of Trump, 55% to 40% among registered voters. That contrasted with March, when Biden and Trump were locked in a near tie as the virus was just beginning to spread.

The same poll found Trump’s approval ratings had crumbled to 39%, roughly the same share of the electorate that approved of his response to the outbreak while 60% disapproved. Especially troubling for the president are a new spate of polls that suggest he is losing his edge on the economy, formerly Biden’s greatest vulnerability.

....

Surveys show Biden ahead in a clutch of battleground states that secured Trump’s victory in 2016, including Wisconsin, Pennsylvania and Michigan. A Quinnipiac University poll of Florida, seen as crucial for Trump, found Biden up by 13 points.

Biden’s campaign is now eyeing an expanded electoral map that could also deliver control of the Senate, challenging Trump in traditionally Republican states like Arizona, where the president has consistently led in statewide polls, as well as in conservative strongholds like Texas, where a new Quinnipiac poll found the candidates neck-and-neck.