NEW : Former Bush spokesman a smiling fighter , Snow says . President calls Snow ` ` a devoted public servant and a man of integrity '' Former Fox commentator had recently joined CNN . Snow is survived by his wife , Jill Walker , and three children -- Kendall , Robbie and Kristi . Snow resigned White House job , saying he wanted higher salary .
NEW : Former Bush spokesman a smiling fighter , Snow says . President calls Snow ` ` a devoted public servant and a man of integrity '' Former Fox commentator had recently joined CNN . Snow resigned White House job , saying he wanted higher salary .