Two prominent judges of color said Tuesday that sustained pressure and savvy politicking are needed to address the shortage of racial and ethnic minorities on the bench.

Speaking at the annual conference of the National Bar Association in Midtown Manhattan, U.S. District Judges Sterling Johnson Jr. of the Eastern District of New York and George B. Daniels of the Southern District of New York stressed the importance of putting solid potential jurists on the radar of senators and other people who wield influence in the selection of federal and state judges.