Carter was very connected, but his head was in the weeds and he was indecisive. According to Carter's own National Security Advisor (Zbigniew Brzezinski), Carter was incapable of making any decision at all during the Iran Hostage Crisis.
Obama is something different than Carter. While Carter's head was in the weeds agonizing over irrelevant details, Obama is aloof and disconnected.
This week, with all of the chaos at home and in the world, the spectacle of Obama on ESPN talking about his college basketball picks was surreal.