By Michael Tedder The Justice Department and six states are suing American and JetBlue in federal court over their regional partnership. As part of the Biden Administration’s ongoing crackdown on monopolies and enforcement of perceived antitrust violations (i.e., companies merging to reduce competition), the Justice Department has, for the past year, cast a stern eye against the partnership between American Airlines (AAL) – Get American Airlines Group Inc. Report and JetBlue Airways (JBLU) – Get JetBlue Airways Corporation Report. For the past year and a half, the two airlines have had a partn…