Answer: LYNDON

AnswerCrossword Clue
LYNDONJohnson preceded by John
LYNDONHubert was his veep
LYNDONPresident before Richard
LYNDONJack's successor
LYNDONBarry beater
LYNDONLady Bird's hubby
LYNDONLady Bird's man
LYNDONJohnson
LYNDONPart of L.B.J.
LYNDONLady Bird's spouse
LYNDON"Barry ...," O'Neal film
LYNDONLandslide ... (impolite presidential nickname)
LYNDONThe "L" of L.B.J.
LYNDONPart of LBJ
LYNDONPresident between John and Richard