. >> woodruff: spencer michels looks at the science behind tsunamis and whether japan's crisis is a wake-up call for the united states. >> government scientists here in seattle say their tsunami warning systems saved a lot of lives but they're not sure what would happen if the big one hits the pacific northwest. >> brown: and margaret warner updates the political chaos and escalating violence in the african nation of ivory coast. that all ahead on tonight's "newshour." major funding for the pbs newshour has been provided by: >> you can't manufacture pride, but pride builds great cars. and you'll find it in the people at toyota, all across america. >> auto companies make huge profits. >> last year, chevron made a lot of money. >> where does it go? >> every penny and more went into bringing energy to the world. >> the economy is tough right now, everywhere. >> we pumped $21 million into local economies, into small businesses, communities, equipment, materials. >> that money could make a big difference to a lot of people. >> and by the bill and melinda gates foundation. dedicated to the idea t

. >> woodruff: spencer michels reports on the outcry over hikes in insurance premiums in california. >> the new higher health insurance rates for individuals have sparked protests and calls for the government to step in. >> brown: and hari sreenivasan examines mexico's deadly drug wars, as president felipe calderon visits the white house. >> woodruff: that's all ahead on tonight's "newshour." major funding for the pbs newshour has been provided by: >> you can't manufacture pride, but pride builds great cars. and you'll find in the people at toyota, all across america. >> oil companies make huge profits. >> last year, chevron made a lot of money. >> where does it go? >> every penny and more went into bringing energy to the world. >> the economy is tough right now, everywhere. >> we pumped $21 million into local economies, into small businesses, communities, equipment, materials. >> that money could make a big difference to a lot of people. >> and by the bill and melinda gates foundation. dedicated to the idea that all people deserve the chance to live a healthy productive life. and wi

. >> woodruff: spencer michels reports on the controversy surrounding dozens of no fishing zones off the coast of california. >> california is establishing dozens of protected areas in the ocean, but the problem is there aren't enough game wardens to enforce the rules. >> warner: and jeffrey brown talks to libyan-born u.s. poet khaled mattawa about life in libya under qaddafi and today's uprising. >> woodruff: that's all ahead on tonight's "newshour." mar fuing r the pbs newshour has been provided by: ♪ ♪ moving our economy for 160 years. bnsf, the engine that connects us. >> and by the bill and melinda gates foundation. dedicated to the idea that all people deserve the chance to live a healthy productive life. and with the ongoing support of these institutions and foundations. and... this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: libyan leader moammar qaddafi struck back at his opponents today with words and warfare. just after dawn, about 200 of his loyalists attacked

. >> woodruff: spencer michels has the story of a high-tech company documenting patterns of brutality around the world. >> could we make tools to make the human rights movement more powerful by helping them do more with the information they have about human rights abuses? >> lehrer: newshour political editor david chalian goes through the list of republins preparing to run for president in 2012. >> woodruff: we get analysis of this week's news from mark shields and byron york, filling in for david brooks. >> lehrer: and margaret warner explores the looming food crisis in north korea. >> they're typically in a chronic situation where they can barely feed their own population, so a big shock like losing half their winter wheat or their barley crops is going to affect their population. >> lehrer: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: >> okay, listen. somebody has got to get serious. >> i think... >> we need renewable energy. >> ...renewable energy is vital to our planet. >> you hear about alternatives, right? wind, solar, algae.

newshour correspondent spencer michels reports from san francisco. >> reporter: civil defense sirens blared across hawaii, 3,800 miles from japan, as the warnings came hours before the first waves hit. >> we have water and stuff at home already. we just need gas. charging up our phones and everything. better be safe than sorry. we just pray for the best, though, hope everything works out for everyone. >> reporter: most heeded the appeals to move away from coastal areas, escaping seven- foot waves that swamped beaches. as the day wore on, there was some flooding, but only minor damage and no injuries. it all came just a year after the chilean earthquake triggered similar alerts. >> i think that, because of the last tsunami situation that hawaii had, that we have some practice. so i really felt like people knew what to do. everyone had a very good response, i think, just because they've had practice and they realize how important it is. >> reporter: several hours later, the waves, moving 500 miles an hour, struck north america. in another stroke of good fortune, the surge arrived along

spencer michels previews his upcoming story about scientists on the west coast of the u.s. looking at the threat of a tsunami. he asks what can and can't be done to save lives. plus, jeff looks at reaction to the google books deal struck down by a federal judge earlier this week. that's on "art beat." all that and more is on our web site: newshour.pbs.org. >> lehrer: and again to our honor roll of american service personnel killed in the iraq and afghanistan conflicts. we add them as their deaths are made official and phographs become available. here, in silence, are nine more. >> brown: and that's the "newshour" for tonight. i'm jeffrey brown. >> lehrer: and i'm jim lehrer. we'll see you online and again here tomorrow evening with mark shields and byron york, among others. thank you and good night. major funding for the pbs newshour has been provided by: >> oil companies have changed my country. >> oil companies can make a difference. >> we have the chance to build the economy. >> create jobs, keep people healthy and improve schools. >> ... and our communities. >> in angol