. >> woodruff: and actor alan alda shows our science correspondent miles o'brien why he wants to help kids enjoy science by challenging teachers to be more engaging. >> it's important to communicate

. >> woodruff: and actor alan alda shows our science correspondent miles o'brien why he wants to help kids enjoy science by challenging teachers to be more engaging. >> it's important to communicate science because science is surrounding us. we swim in an ocean of science. >> brown: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: moving our economy for 160 years. bnsf, the engine that connects us. >> the william and flora hewlett foundation, working to solve social and environmental problems at home and around the world. 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. >> brown: power grids in the eastern u.s. struggled to rebuild today, even as new storms did new damage overnight. the death toll reached 22 killed in six states since friday, and for many thousands of others, there was only stifling heat and no air conditioning. for a third day, utility crews logge

he is willing boss's job and miami's big dream alan alda and the same team to eliminate the celtics fromyoffs tigers' manager isn't a big lenticels the media now there is ken. and he gives us the friday night top five dot in the country could but the money day. >>> from member for michelle we were the at the round of the day involved ebersol take a look at that. von his way again firing is six and a 66 for one-shots' susan patterson no. 3. member to rise to state and patrick this is a race she said she would win. now that that one. 31st and #one any marry charged with retinas kitchen. bob murray trying to become the fifth british to wimbledon since 1936. puffed that made my knees buckle.,,,,,,,,,,,,,,,,,,,,,,

everyone said liberals were wimps, it was alan alda and mike dukakis.ed if we've gone from toothless in ari's eyes to ruthless. i'm rather be tough. these are tough times. this is romney's record. his sole calling card for the presidency i was a businessman, i was a ceo. so we are taking a look at that record. and it is very good in some ways. but appalling in other ways. and romney can't answer that. he can't defend the things he did. that's his problem. >> we got to leave it there. paul begala, ari fleisher, guys, thank you very much. let us know what you think, we're on facebook. follow me right now on twitter. @andersoncooper. >>> we're keeping them honest on capitol hill, five members of congress are showing the pictures right there -- have launched a campaign to root out muslim extremists in the u.s. government. they're saying there's this massive infiltration. they're naming names. including one of hillary clinton's top aides. the question is what evidence, if any, do they actually have? and if they're really concerned about this alleged security

alan alda in that finale of m.a.s.h., you see hawk aye right there. incredible dramatic moment. we won't see the same kind of audience for broadcast news. you can see the full list of the tv's most memorable moments on abc.com/thisweek. >>> but first -- ♪ >> three moments from this week in history. what year was it. >> elian gonzalez sparked a tug of war with cuba. >> this week, hillary clinton and rick lazio had their first face-off. >> that was a wonderful performance and you did it very well. >>> and in the fall classic, the mets faced the yankees for the first time. >> there have been 96 world series, in 50 of them, a new york team has played, a lot of people look upon this series as iraq/iran in spikes, they wish both sides would lose. >> was it 1998, 1999 or 2000? your answer when we return. ♪ [ male announcer ] how could a luminous protein in jellyfish, impact life expectancy in the u.s., real estate in hong kong, and the optics industry in germany? at t. rowe price, we understand the connections of a complex, global economy. it's just one reas

alan alda in that finale of m.a.s.h., it was the biggest audience.u see hawkeye right there. it was an incredible dramatic episode, as well. we won't see the same kind of audience for broadcast news. but that was great stuff. you can see the full list of the tv's most memorable moments on website at abc.com/thisweek. >>> first -- ♪ >> three moments from this week in history. what year was it? >> elian gonzalez sparked a tug of war with cuba. >>> this week, hillary clinton and rick lazio had their first face-off. >> hillary clinton ran for senate. >> that was a wonderful performance and you did it very well. >> i'm asking you to sign it right here, right now. >> we'll shake on that -- >> no. >>> and in the fall classic, the mets faced the yankees for the first time. >> there have been 96 world series, in 50 of them, a new york team has played, a lot of people look upon this series as iraq/iran war in spikes, they wish both sides would lose. >> was it 1998, 1999 or 2000? we'll be right back with the answer. ♪ [ male announcer ] how could a luminous pro

alan alda, mike dukakis. i'm heartened if we've gone from toothless in airy's eyes to ruthless.be tough. these are tough times. this is romney's record. his sole calling card for the presidency i was a a businessman, i was a ceo. so we are taking a look at that record. and it is very good in some ways. but appalling in other ways. and romney can't answer that. he can't defend the things he did. that's his problem. >> we got to leave it there. paul begala, ari fleisher, guys, thank you very much. follow me on twitter twitter, @andersoncooper. >>> five members of congress. are showing the pictures right there. have launched a campaign to, quote, root out what they call muslimi icextremists in the u.s government. they're naming names. including one of hillary clinton's top aides. the question is what evidence, if any, do they actually have? and if they're really concerneded about this alleged security threat, why are they making it so public? that's next. i look at her, and i just want to give her everything. yeah, you -- you know, everything can cost upwards of...[ whistles ] i di