Obama first mistake=Rahm Emanuel
firstly because Emanuel's father, Benjamin M. Emanuel, was a member of the Jewish terrorist organization Irgun, which operated from 1931 to 1948 in Palestine.
Irgun
Some of the attacks by Jewish terrorist organization Irgun were the bombing of the King David Hotel in Jerusalem on 22 July 1946 and the Deir Yassin massacre (accomplished together with the Jewish terrorist organization Irgun "Stern Gang") on 9 April 1948. In the West, Irgun was described as a terrorist organization by The New York Times newspaper,[December 30, 1947
][August 16, 1947] and by the Anglo-American Committee of Enquiry.[5] Irgun attacks prompted a formal declaration from the World Zionist Congress in 1946, which strongly condemned "the shedding of innocent blood as a means of political warfare". [THE NEW YORK TIMES December 24, 1946, Tuesday]