An Activist Stands Her Ground in Bahrain:

During a protest in Bahrain on Saturday, an American journalist named Matthew Cassel reported on Twitter that he had just witnessed something remarkable: a lone female protester who refused to move as police officers in riot gear charged past her, firing tear gas shells just a few feet from her head.

The woman standing her ground in front of a line of police vehicles was uploaded to Twitter, readers of Mr. Cassel’s feed identified her as Zainab Alkhawaja, an activist whose own Angry Arabiya Twitter feed is devoted to documenting the protest movement in Bahrain.

Here’s an interview with Ms. Zainab Alkhawaja:

Exiles Shaping World’s Image of Syria Revolt
By ANTHONY SHADID
Published: April 23, 2011

“These activists have completely flipped the balance of power on the regime, and that’s all due to social media.”