. ♪ then you begin to make it better, better, better, better ♪ ♪ nah, nah, nah, hey jude ♪ ♪ nah, nahe concert will air july 28 on most pbs stations. it's part of the in performance at the white house series. >> woodruff: again, the major developments of the day: b.p. managed to cut the pipe spewing oil deep in the gulf of mexico. the next step was containing the flow, and pumping the oil to ships. and thousands of turks mourned those killed when israel raided six aid ships, off gaza. the israelis rejected an international investigation of the incident. the "newshour" is always online. kwame holman, in our newsroom, previews what's there. kwame? >> holman: on those so-called -> holman: on those so-called atch a story about teaching students to grow their own vegetables and read betty ann's blog. find out who's watching online video and why. we get an update on a pew research center study. learn about the mars 500 project in moscow. six people will be isolated in a simulated space ship for 520 days. and a reminder, our live video feed of the gulf oil leak is on our homepage. all that a