Joe Biden is making his first appearance with newly chosen running mate Kamala Harris on Wednesday, betting that the California senator's historic profile and confrontational style against U.S. President Donald Trump will boost Democrats' efforts to oust the Republican president amid cascading national crises.

Democrats currently have about 1.9 million Floridians signed up to vote by mail this November, almost 600,000 more than the Republicans' 1.3 million, according to the Florida Secretary of State.

Intelligence officials confirmed in recent days that foreign actors are actively seeking to compromise the private communications of “U.S. political campaigns, candidates and other political targets” while working to compromise the nation’s election infrastructure

This is not the first time Trump has blasted the use of mail-in ballots, a method more U.S. states are adopting during the coronavirus pandemic.

The lower-than-expected turnout at the comeback rally, in particular, left Trump fuming.

Trump, who thrives on the energy from packed arenas, has not held a rally since March 2 in Charlotte, North Carolina.

Michael Bloomberg has already spent over $300 million on TV, radio and digital advertising, according to the ad tracking firm Advertising Analytics.

Beto O'Rourke, a former Democratic candidate for a Senate seat in Texas, has his eyes on the White House.

When he made his prediction of a second term, the crowd at the Conservative Political Action Conference responded with chants of "USA, USA, USA."