23 percent of Americans surveyed said journalist Bob Woodward's revelations had changed their perception of the president.
The New York Times/Siena College poll shows the Democratic contender ahead in Wisconsin, Minnesota, Nevada and New Hampshire.
Friday is the 19th anniversary of the 9/11 attacks which killed nearly 3,000 people and destroyed the World Trade Center in New York City.
The majority of swing-state voters also think both presidential candidates are not mentally fit to be president.
42 percent of U.S. adults said President Donald Trump didn't care about the issues they faced, but Trump gained two points on Democratic presidential candidate Joe Biden.
The Reuters/Ipsos poll found that 52 percent of likely voters said they would support Biden in the election, compared to the 40 percent who chose Trump.
Biden leads Trump among Wisconsin's independent voters by double digits.
The decision from the Pentagon to close the paper down comes shortly after a "Military Times" poll that showed Trump's popularity with the troops has declined.
Independent voters who did watch August's political convention said the Democratic National Convention was more effective than the Republican National Convention.
Nearly a third of active-duty troops told pollsters they have witnessed or experienced a racist or white nationalist incident.
Though support for the movement has declined since June, the poll found that overall voter support for Black Lives Matter has increased among Democrats, Republicans and independents since August 2017.
A new poll found opinion on how U.S. and U.K. authorities handled the pandemic was split along partisan lines.
While only 31 percent of Americans surveyed in a poll released Monday approved of President Donald Trump's response to the COVID-19 pandemic, 44 percent approved in a poll taken by the same group in March.
While 4 percent of those surveyed said they would vote for someone besides the two main candidates, 3 percent indicated they would not vote in the election at all.
Only 12 percent of Democrats said they will not get vaccinated, while 58 percent said they will.
The former first lady has a 60 percent favorability rating, while only 39 percent of registered voters expressed liking the president.
Forty-eight percent of Biden supporters said they were very enthusiastic about voting for him, up from 28 percent in March.
A total of 71 percent of respondents said they feared the virus—a statistic which comes as Trump continues to downplay its severity.
The polls released this week suggest the excitement among American voters for Harris as Biden's pick, who made history as the first Black and South Asian American woman selected as the vice presidential nominee of a major party.
A majority of Democrats, 53 percent, said they were confident the election will be held fairly.
Only one in five Republicans is satisfied with the state of the country right now.
Polls show Biden leading Trump by 11 percentage points in Michigan and 12.4 points in Wisconsin, two crucial swing states.
Medicare for All is not currently part of Joe Biden's health platform although many Democrats stand firmly behind the idea.
The total is 12 percent more than at the start of July.
Poll also showed 36 percent believe aliens occasionally visit Earth.
Only 23 percent of people asked by the independent Levada Center named Putin as the political figure they trusted, compared with 59 percent in November 2017.
Eight-four percent of Democrats, 53 percent of independents and 13 percent of Republicans said the protests will help support racial justice and equality.
In addition, several nationally conducted surveys show the former vice president with a significant advantage.
Nearly half of respondents said they thought major adjustments were needed if schools reopen in a few weeks, amid rising coronavirus cases in the U.S.