The new heads of Egypt's military branches come from within the system, and the outgoing old guard retains both influence and great wealth.
Egyptian President Morsi didn't just fire Tantawi today. He overturned a constitutional declaration from Tantawi's military council that sought to tie the hands of the civilian president.
Iran, largely isolated from the West and a steadfast ally of Syria's President Assad, has a lot to lose if the regime in Damascus falls.
It is feeling pretty rough out there: the Wisconsin and Colorado massacres, a civil war in Syria, killings in the Sinai. These violent events call leaders and individuals to acts of moral courage, and to remember what we have in common with each other.
The murder of 16 Egyptian soldiers in the Sinai peninsula highlights long-simmering problems there. And now it's up to Mohamed Morsi and Egypt's politically powerful military to deal with it.
'Why Nations Fail' author Daron Acemoglu advises looking to Turkey's history for a hint.
'Why Nations Fail' co-author Daron Acemoglu suggests that centralized power, rule of law, and open competition are the keys to national success.