i m miles o brien. i just played jeopardy against a very smart computer. it was great for the computer. i ll tell you about artificial intelligence and the pursuit of language understanding. for machines. ifill: that s all ahead on tonight s newshour. major funding for the pbs newshour has been provided by: breathe in. breathe out. as volatile as markets have been lately having the security of a strong financial partner certainly lets you breathe easier. for more than 140 years, pacific life has helped millions of americans build a secure financial future. wouldn t it be nice to take a deep breath and relax? your financial professional can tell you about pacific life, the power to help you succeed. you can t manufacture pride. but pride builds great cars. and you ll find it in the people at toyota. all across america. chevron. we may have more in common than you think. and by bnsf railway. and by the bill and melinda gates foundation. dedicated to the idea that al
our science correspondent took the challenge. i m miles o brien. i just played jeopardy against a very smart computer. it was great for the computer. i ll tell you about artificial intelligence and the pursuit of language understanding. for machines. ifill: that s all ahead on tonight s newshour. major funding for the pbs newshour has been provided by: breathe in. breathe out. as volatile as markets have been lately having the security of a strong financial partner certainly lets you breathe easier. for more than 140 years, pacific life has helped millions of americans build a secure financial future. wouldn t it be nice to take a deep breath and relax? your financial professional can tell you about pacific life, the power to help you succeed. you can t manufacture pride. but pride builds great cars. and you llindt in the people at toyota. all across america. chevron. we may have more in common than you think. and by bnsf railway. and by the bill and melinda gates
and you ll find it in the people at toyota. all across america. chevron. we may have more in common than you think. and by bnsf railway. and by the bill and melinda gates foundation. dedicated to the idea that all people deserve the chance to live a healthy, productive life. 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. ifill: president obama kicked off what is shaping up to be a pitched battle over the budget today. but emboldened republicans are kicking back. ray suarez begins our coverage. suarez: the president s annual budget blueprint arrived on capitol hill this morning. the price tag: $3.73 trillion. and a record $1.6 trillion deficit, the highest dollar amount ever. mr. obama touted his plan today at a school outside baltimore. the only way to truly tackle our deficit is to cut exce
brown: and we report on a battle that pits human champions against a machine. our science correspondent took the challenge. i m miles o brien. i just played jeopardy against a very smart computer. it was great for the computer. i ll tell you about artificial intelligence and the pursuit of language understanding. for machines. ifill: that s all ahead on tonight s newshour. major funding for the pbs newshour has been provided by: breathe in. breathe out. as volatile as markets have been lately having the security of a strong financial partner certainly lets you breathe easier. for more than 140 years, pacific life has helped millions of americans build a secure financial future. wouldn t it be nice to take a deep breath and relax? your financial professional can tell you about pacific life, the power to help you succeed. you can t manufacture pride. but pride builds great cars. and you ll find it in the people at toyota. all across america. chevron. we may have more