at the center for strategic and international studies, middle east expert jon alterman says the street protests that threaten the rule of hosni mubarak, a close u.s. ally, are not so much about democracy as restoring a basic justice. >> there is a sense that, while people keep talking about how the macroeconomic numbers are getting better, their microeconomic numbers are staying really weak and a lot of these protests are about people feeling, well, where's my future? >> reporter: as the most- populist arab state, egypt has been the bedrock of the region. images like these are so stunning, because the mubarak regime has been stable for three decades. now that egypt is shifting, alterman says, the entire region is likely to be more tense. >> if people don't have confidence in where egypt is that would make a lot of people uncomfortable, sometimes to take matters into their own hands, sometimes to be even more unwilling to make change because of uncertainty about where change leads. >> reporter: protests have spilled across the region, raising concerns about whether unrest might soon thr