WATCH LIVE: Masses of Egyptians protest in Cairo’s Tahrir Square.

The graffiti in Tahrir Square tells a different story.
An Egyptian protester paints graffiti reading, “Down with the military rule,” on Friday, as tens of thousands rallied in Cairo’s Tahrir Square.

(Photo by Khaled Desouki/AFP/Getty Images.)

An Egyptian protester paints graffiti reading, “Down with the military rule,” on Friday, as tens of thousands rallied in Cairo’s Tahrir Square.

(Photo by Khaled Desouki/AFP/Getty Images.)

An Egyptian woman mourns over the coffins of some of the 24 Coptic Christians killed during overnight clashes. (Photo by Mahmud Hams/AFP/Getty Images.)
(During a recent reporting trip to Egypt, Margaret Warner reported on simmering unrest in post-revolution Egypt.)

An Egyptian woman mourns over the coffins of some of the 24 Coptic Christians killed during overnight clashes. (Photo by Mahmud Hams/AFP/Getty Images.)

(During a recent reporting trip to Egypt, Margaret Warner reported on simmering unrest in post-revolution Egypt.)

"The public expects me to keep doing this, I can’t just stop at this point."

NPR’s Andy Carvin on his curated Twitter stream, where he has been a go-to source for tweets from and about the situations in Tunisia, Egypt, Iran, Bahrain and more.