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 . But you can safely assume it 's very heavily armored , and can withstand bombs , rocket-propelled grenades , and has filtering systems to protect the occupants from poison gasses . '' The government has retained ownership of recent limos , says museum curator .
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 .