WASHINGTON (Online) - Ter -ming the slaying of Punjab Governor Salmaan Taseer as a loss for Pakistan, the US has said the country has to make efforts to root out extremism and bring greater peace and stability. This is an individual who had worked hard to promote tolerance, and his loss is a great one for Pakistan, White House Press Secretary Robert Gibbs, said. We remain committed to the efforts that the Pakistani government is and must undertake to root out violent extremism and to bring greater peace and stability to that country and to that region of the world, he said. Gibbs was responding to questions about the assassination, which is said to be a reflection of violent extremism in the country.