News Fresh Today: U.S. envoy Samantha Power travels to Ebola-stricken West Africa

By Michelle Nichols WASHINGTON (Reuters) - The U.S. Ambassador to the United Nations, Samantha Power, is traveling to Guinea on Sunday and will also visit Liberia and Sierra Leone, making the trip despite calls by some U.S. lawmakers for a travel ban on the three West African countries worst-affected by Ebola. Power, a member of President Barack Obama's cabinet, left Washington on Saturday. ...