On Thursday’s NewsHour…

BY newsdesk  September 23, 2010 at 4:13 PM EST

GOP ANNOUNCES PLEDGE TO AMERICA | Republican leaders unveiled a new campaign to repeal the health care law and cut Democratic spending. Judy Woodruff gets two different reactions from congressmen Anthony Weiner and David Price.

U.N. FOCUSES ON MIDEAST PEACE | Middle East peace negotiations were the main focus of the United Nations General Assembly meeting opening in New York on Thursday. Ray Suarez talks to Margaret Warner about President Obama’s speech urging a committment to an agreement between Israelis and Palestinians.

SCIENTISTS COLLABORATE TO SPUR RESEARCH| Special correspondent Dave Iverson reports on scientists who want to speed up the pace of medical advances by combining ideas to solve problems in the early stages of academic research.

WILKERSON EXAMINES BLACK MIGRATION IN AMERICA | Author Isabel Wilkerson digs into the ‘The Great Migration’ that took place from 1915 to 1970, when 6 million African-Americans left the south to go North and West in search of a better life. Judy Woodruff talks to Wilkerson about her new book ‘The Warmth of Other Suns.’

Thursday’s anchors are Jeffrey Brown and Judy Woodruff. Hari Sreenivasan has the day’s other top news stories and look at the Web features. On the Rundown, producer David Iverson blogs about the ‘valley of death’ that separates pure science from actual treatments for disease. Plus, read more about the Republicans new ‘Pledge to America’ and how the GOP plans to repeal or roll back the health reform.

Also on the Art Beat, two California film makers capture unique stories about the recession.

We hope you’ll join us.