That was almost 54 years ago. I don't believe any president has ridden in an open convertible since. The Secret Service has tightened things up considerably since JFK, Gerald Ford, and Ronald Reagan. They're certainly aware of how unhinged the lunatic left has become.
LBJ ordered the bubble top taken off JFK’s car. He also hit the floor of his car when they turned the corner in front of the book depository.
“They’re certainly aware of how unhinged the lunatic left has become.”
I hope that, by now, any Obama loyalists, looney liberals, or MUSLIMS working within the DHS and Secret Service have been eliminated.