How far back should you go to understand the current moment in the relationship between Israel and its Palestinian neighbors and the attack of October 7? Some would say 2005, or 1967, or maybe 1948 when the State of Israel was founded. But for historian and author Hillel Cohen of Hebrew University, year zero was 1929. Listen as he explains to EconTalk's Russ Roberts the significance of that year for the current moment, and the challenge of being an open-minded historian when tribal issues loom large.