Wave of unrest grows - Since the ouster of President Hosni Mubarak in Egypt, unprecedented anti-government demonstrations have swept the Middle East and North Africa. Protests in Libya appeared to be gathering steam Thursday in several cities, with some reportedly turning deadly. In Bahrain, which has been the center of several days of protests, at least three people were killed and nearly 200 injured after security forces stormed an encampment of demonstrators in the dead of night. An ABC News reporter covering the chaos was beaten. In Yemen, at least 20 people were injured in clashes between stone-throwing pro-and anti-government demonstrators in the capital of Sanaa, an opposition lawmaker said.

Demonstrations close Wisconsin schools - Schools in 15 districts in Wisconsin are closed Thursday as thousands of public workers demonstrate against a bill that seeks to eliminate most of their collective bargaining rights and to make them pay dramatically more for health benefits. Wisconsin Gov. Scott Walker, a Republican, said the bill addresses the state's budget crisis.

Blasts kill 20 in Tanzania - A series of blasts killed 20 people and injured dozens in a military camp in Tanzania, authorities said Thursday. At least 184 people were wounded at the army base in the main city of Dar es Salaam, said the assistant director of disaster management. The official declined to discuss the cause of the blasts but said she does not think they are terror-related.

Watson wins - Watson the supercomputer was victorious over "Jeopardy!" champs Ken Kennings and Brad Rutter. No word yet on whether he'll get a Wheaties box. Watson is just the latest machine to show up a human.