Trump photo op, talk of military force amp up GOP challenge

Tear gas floats in the air as a line of police move demonstrators away from St. John's Church across Lafayette Park from the White House, as they gather to protest the death of George Floyd, Monday, June 1, 2020, in Washington. Floyd died after being restrained by Minneapolis police officers. (AP Photo/Alex Brandon)

President Donald Trump walks past police in Lafayette Park after he visited outside St. John's Church across from the White House Monday, June 1, 2020, in Washington. Part of the church was set on fire during protests on Sunday night. (AP Photo/Patrick Semansky)