Good Question: Why Does The U.S. Spy On Its Allies?New details surfaced over the weekend about the United States spying on several world leaders, including tapping the personal cell phone of German Chancellor Angela Merkel. Now, new information about spying on people and political officials in France, Mexico and Spain has emerged as well. It’s angered many in those countries. Some have even threatened continued cooperation with the U.S. “It’s totally unacceptable. This undermines the trust and this can harm our friendship,” said Guido Westerwelle, Germany’s foreign minister.