betty ann bowser looks at a new study showing mid-level practitioners can do the job just as well. and finally, does better education help create more jobs? find paul solman's answer on his making sense page. all that and more is on our web site, newshour.pbs.org. jeff? >> brown: and that's the newshour for tonight. on wednesday, we'll look at the u.s. choice for the next president of the world bank, as two l rivaidcandat.idndesates. i'm jeffrey brown. >> woodruff: and i'm judy woodruff. we'll see you online, and again here tomorrow evening. thank you, and good night. major funding for the pbs newshour has been provided by: >> at&t. >> bnsf railway. >> citi. supporting progress for 200 years. >> 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. captioning sponsored by macneil/lehrer produc