Big Machine Label Group has taken criticism for releasing singer Aaron Lewis’ recent number-one country song bashing liberals, but the company’s CEO, Scott Borchetta, says he is standing by his artist. Left-wing music blogger Bob Lefsetz recently wrote that Lewis’ song is “heinous” and slammed Big Machine for releasing the hit “Am I the Only One.” But Borchetta wrote an open letter defending his label’s actions in reply to the criticism launched by liberals such as Lefsetz. ... Lewis’ song, “Am I the Only One,” soared to number one on the country charts despite getting no radio airtime. The song...