Republican Rep. Marjorie Taylor Greene said Sunday she will stop using “toxic” rhetoric, marking what would be a dramatic shift in a political brand hallmarked by derogatory comments. “I would like to say, humbly, I’m sorry for taking part in the toxic politics; it’s very bad for our country,” Greene said. “It’s been something I’ve thought about a lot, especially since Charlie Kirk was assassinated.” Greene said she realized that she has participated in or supported heated rhetoric that has resulted in threats toward others, a point of reflection for her. “I’m only responsible for myself and my own words...