“Trump’s ‘crippling’ budget plan is ‘a joke’

Now Playing: ‘I have a dream’ of becoming president and Trump’s ‘dream’ is a joke: Trump source ABC News Now Playing ‘It’s not about the president’: The first lady’s first public remarks on Melania Trump’s first trip to Cuba source ABC Now Playing Trump Jr.: ‘You had a lot of people that didn’t support you’ in the campaign, now he’s the president-elect Now Playing The first family is leaving the White House, and Trump is not expected to stay forever Source ABC News now Playing ‘I would say I’m a man of my word’ on whether Trump will stay president after inauguration: ‘If we don’t do this, I will’ source ABCNewsNow Now Playing Former first lady Michelle Obama speaks out about Donald Trump Jr.’s meeting with a Russian lawyer Now Playing Here are some things to know about the U.S. economy in 2020: Now Playing President Trump’s new budget proposes more cuts to Social Security and Medicare than any previous administration Now Playing Why the GOP budget deal is a ‘fool’s errand’ to Democrats: Former President Barack Obama Now Playing Republicans push back on Trump tax plan, saying it will hurt middle-class families Now Playing How Democrats could win a new Congress in 2020, as GOP leaders push to repeal the Affordable Care Act Now Playing What Trump’s budget proposal will cost, and how it would affect the country Now Playing Are Democrats in the White Senate more likely to block the GOP health care overhaul?

Now Playing Donald Trump has been endorsed by three major labor unions, including the AFL-CIO Now Playing Hillary Clinton says she will endorse Bernie Sanders in 2020 Now Playing Who’s to blame for the opioid crisis?

Now Play Here’s how Democrats will defend President Donald Trump and President Donald Trumps presidency in 2020.