. >>> scott sperling, co-president of thl partners. coming up. i've been growing algae for 35 years. most people try to get rid of algae, and we're trying to grow it. the algae are very beautiful. they come in blue or red, golden, green. algae could be converted into biofuels... that we could someday run our cars on. in using algae to form biofuels, we're not competing with the food supply. and they absorb co2, so they help solve the greenhouse problem, as well. we're making a big commitment to finding out... just how much algae can help to meet... the fuel demands of the world. >>> welcome back. a day after making his speech to congress on health care reform, president obama was at it again today. john harwood at the white house with the latest. john? >> hey, maria. the president's looking for fresh momentum for his health care effort from that speech to congress last night. he sought that by reaching out to republicans, including john mccain, his opponent last year. and in his remarks today, he reiterated one of the themes from his speech last