Brothers Julián and Joaquín Castro are hitting “The Late Show” together, just one day after Julián announced he is forming a 2020 presidential exploratory committee.

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The former Housing and Urban Development secretary under former President Obama is scheduled to appear as a guest on CBS’s late-night show interviewed by Stephen Colbert alongside his twin, a Democratic congressman from Texas.

Julián Castro, a former San Antonio mayor, told the Associated Press on Wednesday that he would announce a decision about a White House bid on Jan. 12.

It’s not the first time that 44-year-old Castro has sat down with Colbert — he appeared on the show during another election season — in January 2016.