This story is from New York Times by Maggie Haberman, Nick Corasaniti and Linda Qiu:

President Trump is stepping up his attacks on the integrity of the election system, sowing doubts about the November vote at a time when the pandemic has upended normal balloting and as polls show former Vice President Joseph R. Biden Jr. ahead by large margins.

Having yet to find an effective formula for undercutting Mr. Biden or to lure him into the kinds of culture war fights that the president prefers, Mr. Trump is training more of his fire on the political process in a way that appears intended to give him the option of raising doubts about the legitimacy of the outcome.

Promoting baseless questions about election fraud is nothing new for Mr. Trump. He has hopscotched from saying that President Barack Obama was elected with the help of dead voters to suggesting that undocumented immigrants were voting en masse to claiming that out-of-state voters were bused into New Hampshire in 2016.

Read the full story here.