Costa is new FSA county director Posted in: News Trista Costa has begun duties as new executive director of the Kingfi sher County Farm Service Agency. She succeeds Randall Newton who retired at the end of November after 32 years as county executive director. Although she offi cially began her new responsibilities here on Dec. 1, Costa has been in the ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!