In this Nov. 18, 2008 file photo, Sen. Ted Stevens, R-Alaska, is pursued by members of the media on Capitol Hill in Washington after attending a Republican Caucus . (AP Photo/Gerald Herbert, File)

Sen. Ted Stevens, R-Alaska, and his daughter Beth Stevens walk through the U.S. Capitol in Washington after Stevens spoke on the Senate floor for possibly the last time, Thursday, Nov. 20, 2008. The chamber's longest-serving Republican was saluted by his colleagues as a staunch friend and teacher. "I only look forward and I still see the day when I can remove the cloud that currently surrounds me," Stevens said. (AP Photo/Jose Luis Magana)

Sen. Ted Stevens, R-Alaska, talks to reporters after speaking on the Senate floor on Capitol Hill in Washington, Thursday, Nov. 20, 2008. The chamber's longest-serving Republican, delivered his swan song address, and was saluted by his colleagues as a staunch friend and teacher. "I only look forward and I still see the day when I can remove the cloud that currently surrounds me," Stevens said. (AP Photo/Gerald Herbert)

Sen. Ted Stevens, R-Alaska, rides the elevator after speaking on the Senate floor on Capitol Hill in Washington, Thursday, Nov. 20, 2008. The chamber's longest-serving Republican, delivered his swan song address, and was saluted by his colleagues as a staunch friend and teacher. "I only look forward and I still see the day when I can remove the cloud that currently surrounds me," Stevens said. (AP Photo/Gerald Herbert)

This video image provided by the Senate shows Sen. Ted Stevens. R-Alaska speaking of the floor of the Senate in Washington, Thursday,Nov. 20, 2008. (AP Photo/Senate)

In this Nov. 18, 2008 file photo, Sen. Ted Stevens, R-Alaska, is pursued by members of the media on Capitol Hill in Washington after attending a Republican Caucus . (AP Photo/Gerald Herbert, File)

Sen. Ted Stevens, R-Alaska, talks with reporters on Tuesday, November 18, 2008 on Capitol Hill in Washington. (AP Photo/Lauren Victoria Burke)

Sen. Ted Stevens, R-Alaska, is pursued by members of the media on Capitol Hill in Washington, Tuesday, Nov. 18, 2008, after attending a Republican Caucus . (AP Photo/Gerald Herbert)

Sen. Ted Stevens, R-Alaska, talks with reporters on Tuesday, November 18, 2008 on Capitol Hill in Washington. (AP Photo/Lauren Victoria Burke)

Sen. Ted Stevens, R-Alaska, is pursued by members of the media on Capitol Hill in Washington, Tuesday, Nov. 18, 2008, after attending a Republican Caucus . (AP Photo/Gerald Herbert)