President Obama celebrated the resignation of Hosni Mubarak on Friday, declaring that the president of Egypt “responded to the Egyptian people’s hunger for change.” “Egypt will never be the same,” Obama said in a statement, optimistically. “But this is not the end of Egypt's transition. It's a beginning. I'm sure there will be difficult days ahead, and many questions remain unanswered.” Obama called on the Egyptian military, which is now in charge in Cairo, to oversee a transition to power peacefully by protecting the people, lifting an emergency law and revising the constitution. Referring to the Berlin Wall and to...