Of course ... As the saying goes: "The best lies contain enough truth to make them believable"
JFK--I certainly believe Oswald wasn't the only man behind this. The whole tragic event reeks. I firmly believe there were several people in the government and government agencies involved there.
I don't. I've had some very nice conversations with people I used to think weren't worth talking to. Then, there are those who you simply stay away from but you don't hold a grudge, you just go separate ways.