You are the judge; you are supposed to know this stuff BEFORE making a ruling.
On the citizenship question controversy, he was all party line.
The Trump administration's effort to add a question on citizenship to the 2020 Census was struck down Wednesday by a second federal judge. The citizenship question, already blocked by a federal judge in New York and scheduled to be addressed by the Supreme Court next month, received its second strike from District Judge Richard Seeborg. He becomes the fifth federal judge from the same Northern District of California to rule against the administration on an immigration issue, all of whom were nominated by Presidents Barack Obama or Bill Clinton...."