U.S. Ambassador to NATO Matt Whitaker argued Iran is at a "decision point" following its war with Israel and U.S. airstrikes on its nuclear program — all while U.S. officials remain on high alert for sleeper cell concerns. Whitaker urged Iran to seek peace during "Sunday Morning Futures," while noting that the U.S. is still dealing with the implications of an open border – and the national security implications of it – from the Biden administration. "It's obviously a very dangerous world, Jason," Whitaker told Fox News' Jason Chaffetz on Sunday. "I think… President Trump, as a peacemaker, has made it safer,