byman: the u.s.raq, it was fighting insurgents there, it often cleared them out but failed to secure territory. israel needs to establish a government in gaza, ideally a palestinian government. until it does that it is going to face significant problems. amna: professor daniel byman from georgetown joining us tonight. thank you so much for joining us tonight. we appreciate it. prof. byman: my pleasure. ♪ amna: the supreme court's landmark decision on former president donald trump's immunity from some legal prosecution has potential to transform the powers of the presidency. our jeffrey brown takes a deeper look at how the ruling fits with history. jeffrey: how much power for the executive branch? what kind of legal restraints? those are questions that have been debated since the beginning of the country. but now by any account there has been a major new development. we look at the past and potential future with historian heather coxe richardson, a professor at boston college. welcome back to the prog