An undated photo of a custom photo book made for Chantal Rojas by Lauren and Scott Cahr, who hired her to care for their children. Federal agents are arresting spouses of Americans, tech workers and others whose visas have expired, including many who have active applications to stay in the country. (via The New York Times) By HAMED ALEAZIZ and MIRIAM JORDAN The Trump administration has begun arresting foreign citizens with expired U.S. visas as they travel through airports, including spouses…