Republican lawmaker Ken Buck announced he would retire early, throwing into doubt fellow Republican Lauren Boebert’s bid to capture his old seat after he vacates it, but the effects of the decision also hit Donald Trump, according to his own niece. Psychologist Mary Trump, who counts the former president as her uncle, said on Wednesday that the “one person who will experience the most fallout from this latest House debacle is Donald” J. Trump. She wrote about the topic on her Substack. “Each time a Republican like Ken Buck resigns or retires in protest, it shines a bright light on the fact tha…