Donald Trump launched a series of early morning tweets dredging up Alicia Machado's "disgusting" past and an alleged sex tape. Machado accused the candidate of seeking to "demoralize women." Turns out Trump appeared in a porn movie - as himself.

Newsweek reported Thursday that Donald Trump's company spent $68,000 in Cuba in 1998, in violation of federal law under the U.S. embargo.

Over the years, the former beauty queen sang, posed nude, won beauty contests and even cheated on her boyfriend on camera during a reality show. Today she is campaigning against Republican presidential candidate Donald Trump.

In a Univision interview, Machado recalled the humiliation she felt when Trump made her work out at a gym in front of journalists.

Machado was crowned Miss Universe in 1996. A few months later, she gained weight. As a result, Trump planned a media event for journalists to watch her work out, she told Ramos.

Experts offer a series of tips about how to prepare for Election Day and where to turn for questions or in case of problems at the polls.