In 2018, Castro visited the first in the nation
New Hampshire primary state, and delivered the commencement address at
New England College in
Henniker, New Hampshire, on May 12, 2018. Castro stated that he would make his decision on whether to run in 2020 after the November 2018 mid-term elections. On December 12, 2018, Castro announced the formation of an exploratory committee. The next day, during an episode of
The Late Show with Stephen Colbert, Julián's brother Joaquin (during a joint appearance by both brothers) stated that he confidently believed that Julián will be running for president. State Convention in June 2019. Castro formally announced his candidacy for the 2020 presidential election on January 12, 2019, at a rally in San Antonio, TX. His brother, Congressman
Joaquín Castro, and their mother introduced him at the rally. Castro would have been the first Democratic presidential nominee since 1924 to not have first served as vice president, governor or senator, and the first
Hispanic or Latino nominee for president. He was the first Texan in the 2020 race and would have been the third-youngest president if elected. In his announcement, Castro emphasized Medicare-For-All, universal pre-K, and a pathway to citizenship for undocumented immigrants as part of
comprehensive immigration reform. In 2019, he purchased a
Fox News ad in order to speak directly to Donald Trump about the El Paso shooting. Despite referring to his healthcare plan as
Medicare for All, his position was actually a
public option rather than the single-payer plan proposed by
Bernie Sanders and
Pramila Jayapal. Castro's performance in the second night of the first debate was praised, with many pundits considering him to have been the "breakout star" of the night, and to have been one of the "winners" of the debate. During the third Democratic presidential debate, Castro was accused of ageism after he attacked
Joe Biden in a heated exchange over health care plans with Castro taunting Biden saying "Are you forgetting what you just said two minutes ago", repeating it multiple times. Castro was rebuked for his remarks by various members of the candidates on stage including,
Andrew Yang,
Amy Klobuchar, and
Pete Buttigieg. Castro was widely criticized for what was seen as a "low blow", and with many accusing Castro of "bullying", and engaging in "
ageism". Journalist
Gayle King saw the interaction as a "personal attack". On
The Late Show with Stephen Colbert,
Stephen Colbert described the interaction as both "mean and inaccurate", since Castro was factually incorrect in his attack against Biden according to
Politifact. Many remarked that the exchange was the beginning of the end of Castro's presidential campaign. Castro has defended his attack against Biden saying he "wouldn't do it differently" and insisted he wasn't making fun of Biden." Castro suspended his presidential campaign on January 2, 2020.
"¡Ganaremos un día!" he said in Spanish, which translates to "One day we'll win!" On January 6, 2020, Castro endorsed
Elizabeth Warren. == Post-presidential campaign ==