By RUSS BYNUM, SHARON JOHNSON and BILL BARROW PLAINS, Ga. (AP) — Johnny Jones found out about Jimmy Carter’s death within a matter of minutes. That’s how it works in a small town, even for a former U.S. president and Nobel Peace Prize winner known throughout the world. “Somebody texted my wife and told her about it — that’s when I found out,” Jones said Monday, a day after the 39th president died at the age of 100, surrounded by family in the one-story house he and his late wife, Rosalynn, built before he launched his first political campaign more than 60 years ago. “His presence here in Plains has really boosted the morale of everyone who lives here,” said Jones, 85, as he recalled warm exchanges with “Mr.