He also recalled a discussion with former President Barack Obama, who O'Rourke said had asked him if he saw a path to victory and if there was something he could provide the country "uniquely".
Former El Paso Congressman and failed senatorial candidate Beto O'Rourke has officially made the announcement: he's running for president in 2020.
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In a Vanity Fair article that came out on Wednesday, O'Rourke said "You can probably tell that I want to run. I do".
O'Rourke becomes the 15th Democrat to enter the race to decide who will take on Trump in the general election.
"I thought you were supposed to win before you run for president", Trump told reporters in December. And I think that's a very legitimate basis upon which to make a decision. "If I were to run, if I were to win, that my administration looks like this country".