President Obama focuses his efforts on the war in Afghanistan Wednesday.

It is a war that has spread into neighboring Pakistan and a war that some say the U.S. is  losing.

President Obama meets with the presidents of Pakistan and Afghanistan at the White House Wednesday, to coordinate strategy in what has become the top U.S. military priority, defeating the Taliban.

Pakistan Needs U.S. Help

Taliban forces have been pushing closer to the Pakistani capital of Islamabad. White House Special Representative Richard Holbrooke told the House Foreign Affairs Committee Tuesday that Pakistan needs our help.

"We do not think Pakistan is a failed state," he said. "We think it's a state under extreme test from the enemies who are also our enemies and we have, Mr. Chairman, the same common enemy, the United States and Pakistan."

Afghan President Says Pakistan Must Help Defeat Taliban

Afghan president Hamid Karzai in Washington Tuesday said Pakistan must do it's share in defeating Taliban insurgents who hide in Pakistan.

"No matter how powerful an army and the security institution Afghanistan has," he explained. "Unless the sanctuaries in our neighbors, the training grounds in our neighbors go away, Afghanistan will not be stable or peaceful.

At the White House, President Obama is expected to press Pakistani president Zardari to do more against the Taliban Perhaps not coincidentally, on Wednesday Pakistani troops rolled into action against the Taliban.