Former Rep. Beto O'RourkeBeto O'RourkeKrystal Ball: Voters are coming to their own judgements about who is electable Warren campaign to host series of events in Texas Democrat attacks Trump's rhetoric, policies in Spanish-language State of the Union response MORE (D-Texas) denounced President TrumpDonald John TrumpRussian sanctions will boomerang States, cities rethink tax incentives after Amazon HQ2 backlash A Presidents Day perspective on the nature of a free press MORE's prime-time speech on Tuesday night as an effort to "instill anxiety and paranoia" about the U.S.-Mexico border, which the potential 2020 presidential candidate called "one of the safest places" in the country.

O'Rourke, an El Paso, Texas, native who represented a congressional district near the border for three terms, posted a two-minute video late Tuesday that showed the southern border. He described the area as "peaceful" just hours after Trump delivered an Oval Office address aimed at building support for his proposed border wall.

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"By any measure the border is as safe as it’s ever been," O'Rourke said. "And the president using fear and anecdote to try to instill anxiety and paranoia to build the political will to construct this wall that would cost $30 billion and take private property and cause death and suffering … that was what we heard from the Oval Office."

"And we need to meet that fear with the truth, with our ambition, with the best traditions of this country," he added.

O'Rourke, who lost his Senate bid to unseat Sen. Ted CruzRafael (Ted) Edward CruzTed Cruz takes aim at Alabama vasectomy bill: 'Yikes' 'Medicare for All' will turn into health care for none Cruz 'impresses' his daughter with Chris Evans meeting MORE (R-Texas) in November, is considered a potential Democratic presidential candidate for 2020. He has not yet indicated whether he will run.

Trump, in his first prime-time address from the Oval Office, delivered many of his typical talking points on immigration and the need to construct a wall along the southern border. He warned of criminals and drugs coming over the border, and blamed Democrats for refusing to cooperate.

Speaker Nancy PelosiNancy PelosiMalaysia says it will choose 5G partners based on own standards, not US recommendations Pelosi warns allies against using Huawei Budget hawks frustrated by 2020 politics in entitlement reform fight MORE (D-Calif.) and Senate Minority Leader Charles SchumerCharles (Chuck) Ellis SchumerBarr to testify before House Judiciary panel Graham won't call Barr to testify over Roger Stone sentencing recommendation Roger Stone witness alleges Trump targeted prosecutors in 'vile smear job' MORE (D-N.Y.) responded by saying Trump's statements were misleading, and calling on him to reopen the government.

The president's desire for more than $5 billion in funding for the wall triggered a partial government shutdown that has entered its 19th day. Trump is scheduled to meet with congressional leaders on Wednesday, though no breakthrough appears imminent.