The Aug. '02 article "Judge Smith Goes to Washington: The anatomy of a failed Borking" is worth a look. Perhaps even better is this flashback to 1991: "Liberals Suiting Up to Derail Ryskamp." This article discusses disparate treatment between Estrada and other nominees. There's a list of Estrada opponents on this page.
In other news, Jimmy Breslin has an article about Bernadette Devlin being refused entry to the U.S.