By STEVEN SLOAN WASHINGTON (AP) — Sen. Bill Cassidy didn’t simply criticize the immigration crackdown in Minneapolis. Following the killing of Alex Jeffrey Pretti by a U.S. Border Patrol officer, the Louisiana Republican warned of broader implications for the federal government. “The credibility of ICE and DHS are at stake,” Cassidy wrote in a social media post, referring to Immigration and Customs Enforcement and the Department of Homeland Security. “There must be a full joint federal and state investigation. We can trust the American people with the truth.” Trust is one of a president’s most valuable currencies, especially in a time of crisis. During his second term, President...