Since President Carter brought it up....

It wasn't a terrorist that our Government wiretapped when it wiretapped Dr. King, and it wasn't a Republican administration doing it. As Hugh Hewitt points out: (emphasis mine)

But for the record, here's the opening of The Atlantic Monthly's 2002 article on the FBI and Dr. King:

On October 10, 1963, U.S. Attorney General Robert F. Kennedy committed what is widely viewed as one of the most ignominious acts in modern American history: he authorized the Federal Bureau of Investigation to begin wiretapping the telephones of the Reverend Martin Luther King Jr. Kennedy believed that one of King's closest advisers was a top-level member of the American Communist Party, and that King had repeatedly misled Administration officials about his ongoing close ties with the man. Kennedy acted reluctantly, and his order remained secret until May of 1968, just a few weeks after King's assassination and a few days before Kennedy's own. But the FBI onslaught against King that followed Kennedy's authorization remains notorious, and the stains on the reputations of everyone involved are indelible.
The left has been hijacked by its angriest elements, and whenever those elements are on display, the country gets another lesson on why the Democratic Party, controlled by this angry edge, simply cannot be allowed to govern unless and until it reforms itself.