US President Barack Obama and his Afghan counterpart Hamid Karzai have vowed to keep up the pressure on the Taliban and other extremist elements in order to protect the people of the war-torn country. Obama and Karzai reviewed the situation in Afghanistan and progress in the war against terror in the region through a tele-video conference. It was also attended by US envoy to Afghanistan Karl Eikenberry and General David Petraeus, Commander of the US and NATO forces in that country. This was the first tele-conference between the two leaders after Karzai wrote a letter to Obama, urging him to review the Afghan war policy.The White House said in a statement that both leaders agreed that the United States andAfghanistan should continue to work together to keep the pressure on the Taliban and to build Afghan capacity. Obama reaffirmed that the US is committed to partnering with the Afghan people to ensure that Afghanistan is a stable, secure and prosperous country.