Former US Ambassador to Japan Bill Hagerty and Black activist Marquita Bradshaw will face off in November to succeed retiring Republican Sen. Lamar Alexander after their respective victories in Tennessee primary elections on Thursday. Hagerty defeated Nashville trauma surgeon Manny Sethi in the Republican primary, while Bradshaw scored an upset win over former Army helicopter pilot James Mackler in the Democratic primary, despite being vastly outraised by Mackler, who was endorsed by the Democratic Senatorial Campaign Committee and others. Bradshaw will have an uphill battle: Republicans have held both Senate seats in Tennessee since 1994. More on the two candidate, per the AP: