On Tuesday’s NewsHour…

BY newsdesk  July 20, 2010 at 6:30 PM EST

KARZAI AND THE AFGHAN GOVERNMENT | Afghanistan President Haman Karzai addressed dozens of nations and organizations, calling for Afghans to take charge of their own security by 2014. For analysis, Jim Lehrer talks to James Dobbins, a veteran State Department official who was special envoy to Afghanistan in the early Bush years, and Nazif Shahrani, an Afghan-American and professor of anthropology at Indiana University.

INTEL CHIEF HEARINGS | Retired Air Force Gen. James Clapper appeared before the Senate Intelligence Committee this afternoon for a confirmation hearing; bidding to become the nation’s fourth director of national intelligence. Jeffrey Brown talks to former State Department counselor Philip Zelikow and Richard Clarke, former White House point person on counterterrorism for more on how the hearings are going for President Obama’s nominee.

GREEK CITIZENS REACT TO DEBT | As part of his ongoing reporting on Making Sense of financial news, Paul Solman looks at how Greek citizens are reacting to the ways their government has been reacting to the debt burden.

NEW WAY TO PREVENT AIDS? | Researchers’ findings garnered a standing ovation at the International AIDS Conference in Vienna as it was announced that a potential breakthrough had been discovered to help prevent HIV among women and girls. Margaret Warner talks to Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases on what this could mean for the future of the disease.

Tuesday’s anchors are Jeffrey Brown and Judy Woodruff. Hari Sreenivasan will have the day’s other top news stories and a look at features on the Web, including a reporter’s blog from the AIDS conference in Vienna with more details on the scientific studies, a report from Afghanistan on battling the Taliban in Kandahar Province in the start of a weekly series with our partners at Global Post, and a NewsHour Extra piece on a teenager from Gulf Shores, Alabama, who sees the oil disaster as a wake up call to clean up the environment.

Also, you can keep track of the ongoing progress in the Gulf by watching our live video feeds.

We hope you’ll join us.