BREAKING: Graham Platner submits notice to formally withdraw from Maine's U.S. Senate race, according to secretary of state. https://apnews.com/article/graham-platner-maine-senate-53839ed2762e9f84557a299ae922f2dd?utm_campaign=trueAnthem%3A+New+Content+%28Feed%29&utm_medium=trueAnthem&utm_source=twitter