Rebecca Boxall is proud of her accomplishments as a city council member in Arlington. Boxall, who left office May 12 after losing a reelection bid to newcomer Brittany Garcia-Dumas, said her departure from the council is bittersweet. Boxall was running for a third and final term and told KERA News that the loss marks the end of her political career. She was on the city’s planning and zoning commission when she decided to ask voters to elect her …