Suppose Joseph Kennedy Jr. survives WW2 instead of his younger brother JFK. It's known that Joe Sr. had intended that Jr. be the one aimed for high office, and JFK became the family up and comer by default after his brother's death.
So, if Joe Jr. survived the war instead how would his political arc have differed from JFK's in OTL? Would e have been able to wield the same sort of charisma and political skills as his younger brother? Could he have ended up in the White House as well?