The Senate Committee on Rules and Administration Committee, one of the sleepier committees in the Senate, awakens for a hearing next Thursday, "April 22, to hold hearings to examine the filibuster, focusing on the history of the filibuster 1789-2008, 10 a.m., SR-301."
The committee is chaired by Sen. Charles Schumer (D-NY), a partisan. The committee website has not posted any information yet about witnesses.
In related news, the Senate Judiciary Committee has rescheduled its nomination hearing on the controversial Goodwin Liu to serve on the Ninth Circuit. The hearing starts at 10 a.m. today (Friday), with a webcast available.