Senate Republicans on Tuesday slammed one of the Obama administration's most controversial judicial nominees for failing to initially disclose more than 100 of his speeches, publications and other background materials -- an omission the Republicans called unprecedented and a possible attempt to "hide his most controversial work."

They said Goodwin Liu's nomination to the Ninth Circuit Court of Appeals is in "jeopardy" in light of the problem.

The complaint came after Liu, a Berkeley law professor, gave the Senate Judiciary Committee a bundle of supplemental material that contained 117 things he left out after his February nomination....