Mitch McConnell has served as a senator for four decades. After he was elected in 1984, the Republican climbed his way up the ranks in government, eventually becoming the Chair of the Senate Rules ...

Mitch McConnell, 83, announces retirement from Senate (AP Photo/Mark Schiefelbein, File)(AP) Addressing colleagues on the Senate floor on Thursday, McConnell, 83, said, "Representing our ...