Evening News Online, 02.28.12

      |Tuesday: Two of the students critically wounded in the high school shooting rampage in Chardon, Ohio, have died, raising the death toll to three; Also, Mitt Romney wins the Arizona primary, but it is still too close to call in Michigan. So, what happens if Romney loses in his home state?; And, oceanographers meet in Hawaii to discuss when and where the millions of tons of debris from Japan's tsunami will wash ashore in North America.

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