AJC TOP LOCAL STORY ISAKSON RETIREMENT
Johnny Isakson's long upstream swim is coming to an end.
On Wednesday, the most enduring Republican politician in Georgia announced he will resign from the U.S. Senate on Dec. 31, just as a new year dawns on one of the most challenging election seasons faced by his GOP.
"It goes against every fiber of my being to leave in the middle of my Senate term, but I know it's the right thing to do on behalf of my state," the senator, 74, said in a statement.
Isakson has spent the August...