Hate stories like this because they’re not true.
From an Israeli Newspaper (The Jerusalem Post) writing about Jimmy Carter’s cancer:
For some Jews (and evangelical Christians), the cause apparently is obvious. No, it’s not his genetic makeup, or the spread of a mass from his liver to his brain. It’s divine punishment for his behavior toward the Jews.
See blurb at Mondoweiss
One word for this: Hogwash!
Sola Dei Gloria 
Right. God waited until Jimmy Carter was 90 years old and gave him cancer. Which hasn’t killed him yet. Ridiculous claim.
More is said about those that harbour those ill feelings in their heart? This tells you where their heart is! And Love is not in there! If you have hate in your heart, it is as if you are a murderer! Murderers have no place in the Kingdom of God!