You wrote: "As for Talmon having been "senile" at the time he was teaching Modern history at the Hebrew U of Jerusalem, then woe to such an University and to its students." He wrote the letter to Begin in 1980, the year he died. By that time he was legally retired, having passed age 65. Note that he got the Israel Prize for history in 1957.
Yemen's Houthi rebels commit to peace plan in letter to UN chief, BBC reports (Haaretz)
from the article: One, two, three, testing