Stop with your conspiracy theories. You are making claims with no evidence to back it up.
Eisenhower had been toppling leftist governments for years all throughout his presidency. Iran, Congo, and Guatamala to name a few.
Fact.
There were people in the top levels of our government whom had dedicated their lives to the anhiliation of communism all over the world.
Fact.
There were many people in the top levels of our government that would gladly force some sort of war with the Soviet Union.
Fact.
Kennedy was misled by the CIA in 1961 about the potential sucess of the Bay of Pigs Invasion.
Fact.
Kennedy refused to directly use the U.S. military and held the CIA responsible for the invasion's failure.
Fact.
Kennedy fired Allen Dulles, and many others that had been at the top of the CIA for years.
Fact.
The Mafia had multi-million dollar business interests in Cuba and lost all of it when Castro took power, and lost it all for good when the Bay of Pigs Invasion failed. They held Kennedy responsible.
Fact.
John F. and Robert Kennedy ruthlessly attack the Mafia and organized crime in the countries, one of the first administrations to seriously do so.
Fact.
The CIA had used the Mafia as an asset in it's dealings with Cuba and their attempts to covertly wage war with them.
Fact.
During the Cuban Missile Crisis, Kennedy decides to "quarantine" Cuba instead of listening to the advice of some of his top military advisors to attack and invade the country, much to their dismay.
Fact.
Kennedy compromises with Khrushchev to end the Cuban Missile Crisis. Concessions include a promise to never again interfer with Castro's Cuba and to remove American nuclear missiles from Turkey. Many hardliners fear Kennedy is a closet communist.
Fact.
Kennedy, realizing that Vietnam was lost and that further American involvement in the struggle to protect the country from communist unification would only result in a tragic quagmire, orders 1000 U.S. military advisors home by Christmas, 1963, and all forces withdrawn by Christmas of 1965. Kennedy publically remains optimistic, fearing that if he was blamed for losing Vietnam he would not win in 1964. Hardline Cold Warriors are outraged.
Fact. (Don't believe me?
http://www.history-matters.com/vietnam1963.htm. The actual Defense Department orders and transcript of the 8th SECDEF Conference on Vietnam is on the left.)
There was a great deal of powerful people in the country, in the government specifically, in the Mafia, and in anti-Castro groups that had every reason and even the means to assassinate the President.
Fact.
Lee Harvey Oswald defended his innocence until he died, and called himself a "patsy".
Fact.
Jack Ruby claimed he was part of a massive conspiracy that would never be revealed to the public because the people responsible were in incrediblly high positions.
Fact.
One of the board members of the Warren Commission was Allen Dulles, the head of CIA that Kennedy fired in '61 and held responsible for the failure of the Bay of Pigs invasion.
Fact.
The deliberations of the Commission were done privately, and the documents used to come to their conclusions were sealed by President Johnson until the year 2032.
Fact.
The House Committee on Assassinations determined in 1979 that there was a conspiracy to assassinate the President, that there was a second shooter on the grassy knoll, and that they could not rule out the very real possibility that rouge elements in our government were responsible for the President's murder.
Fact.
The deliberations of the Committee, like the Warren Commission, were done privately, and the evidence used was also kept classifed.
Fact.
The U.S. government has still not released thousands of files pretaining to the assassination.
Fact.
Johnson reverses Kennedy's orders and exponentially escalates the Vietnam War shortly after JFK's assassination, claiming he will not see Vietnam go the way China did.
Fact.
The Gulf of Tonkin incident itself is highly questionable and has never been completely proven to have even taken place.
Fact.
Lee Harvey Oswald was deranged and acted alone in assassinating President John F. Kennedy.
No way.