President Bill Clinton and first lady Hillary Rodham Clinton applaud as former President George H.W. Bush and former first lady Barbara Bush stand near the presidential portrait of Mr. Bush at its unveiling at the White House in 1995. A portrait of Mrs. Bush was unveiled as well. (Associated Press)

President Bill Clinton and first lady Hillary Rodham Clinton applaud as former President George H.W. Bush and former first lady Barbara Bush stand near the presidential portrait of Mr. Bush at its unveiling at the White House in 1995. A portrait of Mrs. Bush was unveiled as well. (Associated Press)