Historians compare Obama to Kennedy , in terms of his charisma and popularity . Comment: GM and the Secret Service have been tight-lipped about the Obama limo . The government has retained ownership of recent limos , says museum curator .
Historians compare Obama to Kennedy , in terms of his charisma and popularity . The Kennedy limo represents a more innocent and less anxiety-ridden time in history . GM and the Secret Service have been tight-lipped about the Obama limo . The government has retained ownership of recent limos , says museum curator .