The day he broke up with Trump was one of his toughest, Hossein Khorram says. “I was heartbroken,” the Clyde Hill man told me. “I felt like I was betraying a friend.” Khorram, 62, is one of the more gregarious behind-the-scenes players in local Republican politics. As a max donor and the finance chairman of “Trump Victory Washington State,” he helped raise money here for Donald Trump’s 2020 presidential campaign. Khorram, a Muslim, also made himself widely available to cheerfully parry critiques that Trump is anti-immigrant or racist. Khorram, an Eastside developer, continued to back Trump well past the catastrophe...