U.S. Senator Ron Johnson (R-WI) once again is floating the idea that there may be “sleeper cells” from Iran here in the United States, a claim he has made without providing evidence since at least January 0f 2015. “It’s a very dangerous escalation,” Johnson, a far-right ultra-MAGA Trump loyalist told Fox News. “You know, I don’t know, does Iran have sleeper cells in America?” “Do you think they do?” host Harris Faulkner quickly interjected. “It’s entirely possible,” Johnson replied. “I mean, we have 6 million people entering this country since the Biden administration started, almost 2 million…