By ELLEN KNICKMEYER, MATTHEW BROWN and JONATHAN LEMIRE,  Associated Press WASHINGTON (AP) — Interior Secretary Ryan Zinke, facing federal investigations into his travel, political activity and potential conflicts of interest, will be leaving the administration at year’s end, President Donald Trump said Saturday. In his resignation letter, obtained by The Associated Press, Zinke said “vicious … Continue reading Zinke resigns as interior secretary amid numerous probes