NEW : `` We can and will always be able to do more than one thing at a time . Obama meets with British defense ministers . President Barack Obama outlines a change of Pentagon strategy . The new Pentagon strategy calls for measured spending cuts . Republican critics say the plan undermines U.S. military spending .
NEW : Obama meets with British defense ministers . President Barack Obama outlines a change of Pentagon strategy . The new Pentagon strategy calls for measured spending cuts . Republican critics say the plan undermines U.S. military spending .