NOTUS : Labor Secretary Lori Chavez-DeRemer Has Resigned   —  A Labor Department spokesperson did not immediately respond to a request for comment.  — Copy  —  Secretary of Labor Lori Chavez-DeRemer resigned on Monday, according to three sources familiar with the matter. Discussion: NBC News , MS NOW , Associated Press , Washington Examiner , Wall Street Journal , Straight Arrow News , New York Times , Bloomberg , Breitbart , Roll Call , Scripps News , CBS News , RedState , Townhall , WAGA-TV , New Republic , Raw Story , Joe.My.God. , The Daily Caller , NewsMax.com , Deseret News , The Independent and Mediaite RELATED: Nick Niedzwiadek / Politico : Chavez-DeRemer stepping down as Labor secretary … Chavez-DeRemer has been under scrutiny since January, when DOL Inspector General Anthony D'Esposito opened an investigation into allegations that she was involved in an extramarital affair with a member of her security detail … Axios : Distrust, dishonesty and Trump's elusive Iran deal…