BOSTON GLOBE: The possible heirs of Egypt’s uprising took to the streets yesterday in several parts of the Mideast: Iran’s beleaguered opposition stormed back to central Tehran. Demonstrators demanded more freedom in Bahrain. And protesters in Yemen pressed for the ouster of their ruler. The protests — all with important implications for Washington — offer an important lesson about how groups across the Middle East are absorbing the message from Cairo and tailoring it to their own aspirations. The heady themes of democracy, justice, and empowerment remain intact as the protest wave works it way through the Arab world and beyond. However, the objectives change. The Egypt effect, it seems, is elastic. MORE