After this morning's announcement of Hosni Mubarak's resignation and the massive celebrations taking place in Tahrir Square and throughout Egypt, President Obama made a statement that was congratulatory and hopeful, saying, "Egyptians have inspired us. They have done so by putting the lie to the idea that justice is best gained through violence. For in Egypt, it was the moral force of nonviolence — not terrorism, not mindless killing — but nonviolence, moral force, that bent the arc of history toward justice once more." But he also warned of "difficult days ahead" and "questions that remain unanswered."

Vice President Joe Biden mirrored this tone in his official statement, saying, "I am pleased that President Mubarak has heard and heeded the voice of the Egyptian people, who have called for change. … We caution all sides against violence during this transition, and we will be watching the situation closely."

Understandably, after 30 years of dictatorship and 18 days of protest, no one in Egypt is focusing on anything but celebration just yet. It's clear however, that the U.S. has already moved on to wondering about who will take power, how the transition will happen and what will happen then. The most pressing question: Will the country become a "true" democracy, and how? The world is watching.

Read more at the Huffington Post.

In other news: Is it Really Over? Mubarak Steps Down.