Medary.com

Reuters headline:  No evidence Iran active in Iraq: US general

But look!  Inside the story itself:

(U.S. Military spokesman, Major General William) Caldwell said recently-manufactured Iranian weapons and munitions had been found in Iraq.

"We do believe that some Shi'ite elements have been in Iran receiving training. But the degree to which this is known and endorsed by the government of Iran is uncertain," he said.

Several powerful Shi'ite militias, including the Badr Organization and the Mehdi Army, supporters of radical Shi'ite cleric Moqtada al Sadr, have long-standing ties with Tehran.

Caldwell said the contacts were via "third elements associated with Iran."

"We do know that weapons have been provided and IED (improvised explosive device) technology has been made available to these extremist elements," he said.

So, once again, it depends on what the definition of "is" is . . . or more specifically, what the definition of "active" is.  Providing support, training and arms to illegal Iraqi militias is, according to Reuters, not "active."