Barbara Bush died Tuesday at age 92.
She was the fiercest defender of the Bush family.
She was wife to a president and mother to another one.
Bush is remembered as a brutal truth teller.
For her husband and her son, she was their toughest critic.
She fiercely defended her tribe against the slings and arrows of others.
She leaves behind her husband of over 70 years, five children, fourteen grand kids.