Which policy implemented by President Brarack Obama did Cindy Lee Miller Sheenhan object to, regarding his cooperation with Allies, ending of the Iraq war, and killing Osama bin Laden, to name a few details.  
Cindy Sheehan: Cindy Lee Miller Sheehan (born July 10, 1957) is an American anti-war activist, whose son, U.S. Army Specialist Casey Sheehan, was killed by enemy action during the Iraq War. Cindy Sheehan:  She is a vocal critic of President Barack Obama's foreign policy. Foreign policy of the Barack Obama administration: The foreign policy of Barack Obama was the foreign policy of the United States during his administration. Foreign policy of the Barack Obama administration:  Supporters of Obama's foreign policy applaud what they describe as his cooperation with allies and multilateralism, his ending of the Iraq War, his continuation of the process of ending U.S. combat operations in Afghanistan, the administration's attempts at destroying al-Qaeda's core leadership, particularly the killing of Osama bin Laden; promoting discussions that led to the 2015 Paris Agreement on global climate change, brokering a nuclear deal with Iran, and normalizing U.S. relations with Cuba.
The foreign policy of Barack Obama