When Obama spoke with German Chancellor Angela Merkel over the phone last Thursday, Obama did not know about the man's arrest,

The C.I.A.'s failure to tell the president worried White House officials.

President Obama was kept in the dark about a blown U.S. spying operation in Germany, according to the New York Times.
A 31-year-old German man was arrested by German authorities July 2 on suspicion of spying for foreign intelligence services. They did not identify the suspect or the intelligence services.
When Obama spoke with German Chancellor Angela Merkel over the phone last Thursday, Obama did not know about the man's arrest, and the matter did not come up, according to U.S. officials. The C.I.A.'s failure to tell the president worried White House officials.
The New York Times reports:
http://www.huffingtonpost.com/2014/07/09/obama-german-spy_n_5570503.html