See Candidate Page Julián Castro, Climate, International Climate tweets on Castro 6/2/19 The first thing he would do as president is recommit the United States to the Paris climate accord, @JulianCastro says at #CADem19. Then he says he would enjoy ushering out the outgoing president and telling Trump "adiós."— Alexei Koseff (@akoseff) June 2, 2019