Photos: Howard Baker, 1925 - 2014

Sen. Howard Baker reacting to story told on steps of courthouse in Huntsville, Tenn.  (Associated Press / Associated Press)

Former Sen. Howard Baker died Thursday at age 88.   (Knoxville News Sentinel / AP)

This 1980 file photo shows President-elect Ronald Reagan, center, talking with Sen. Ted Stevens, R-Alaska, right, and Sen. Howard Baker, R-Tenn., during a luncheon at Blair House in Washington. Baker, who asked what President Richard Nixon knew about Watergate, has died.   (Bob Daugherty / AP)

This Nov. 9, 1979 file photo shows three members of the Senate Foreign Relations Committee, from left, Sen. Jesse Helms, R-N.C., Sen. Howard Baker, R-Tenn., and Sen. Charles Percy, R-Ill., discussing the vote in favor of the SALT II treaty.  (Charles W. Harrity / AP)

This Dec. 4, 1980 file photo shows Senate Majority Leader Robert Byrd of W.Va., right, talking to the man who will replace him, Sen. Howard Baker. Baker served 18 years in the Senate. He earned the respect of Republicans and Democrats alike and rose to the post of majority leader. He served as White House chief of staff at the end of the Reagan administration and was U.S. ambassador to Japan during President George W. Bush’s first term.   (Chick Harrity / AP)

Former Senate Majority Leader Howard Baker, left, looks on as former Tennessee Gov. Lamar Alexander casts his electoral college vote for president in the Tennessee House of Representatives chamber in Nashville on Dec. 18, 2000.  (Mark Humphrey / Associated Press)

Howard Baker and Sen. Nancy Kassebaum (R-Kan.) pose after their wedding at St. Alban’s Church in Washington in 1996.  (Dennis Reggie / Associated Press)