"Trump does not want to expose the degree to which his political partners in the Kremlin are propagating this message for his benefit," a Biden spokesman said.
Kamala Harris will accept the vice presidential nomination, and Barack Obama will vouch for his own ex-running mate Joe Biden at the 2020 DNC.
It's less than 100 days until Americans head to the polls for the U.S. presidential election. A key barometer for the outcome could be found in the stock market, says LPL Financial's Ryan Detrick.
Susan Rice, who served as President Barack Obama's national security advisor, is a leading contender to be Joe Biden's running mate in the presidential race.
Silicon Valley has leaned left for decades, but heading into the 2020 election, the disparity between donations to Democrats and Republicans has never been greater.