Today's Republican runoff in Georgia will determine who faces Democratic Sen. Jon Ossoff in November. President Trump and Gov. Brian Kemp's opposing endorsements highlight a split in the Republican Party,

President Trump and Gov. Brian Kemp (R) are on opposite sides Tuesday as Georgia voters go to the polls to pick a GOP nominee for Senate, with Kemp backing former college football coach Derek Dooley

President Donald Trump and Georgia Gov. Brian Kemp enter Tuesday’s Republican runoff elections as both allies and rivals, backing the same candidate in the governor’s race while at odds in a closely watched Senate showdown that will test the competing power centers inside the Georgia GOP.

President Trump endorsed Republican Rep. Mike Collins ahead of Georgia's Senate runoff on Tuesday. CBS News' Fin Gomez has more.

Brian Kemp, left, poses for a photo with then-former President Donald Trump. (Hyosub Shin/AJC) Two bombshell endorsements rocked Georgia politics just days before Tuesday’s runoff, setting up a remarkable display of power by the two Republicans with the most influence in Georgia.

Just hours before Georgia’s key runoff elections, Trump, Kemp, and Cruz issue competing endorsements in major state races. Brian Unger breaks down the fast-moving developments, late rallies, and surprise endorsements—including new moves from Donald Trump Jr.

The result of Georgia's primary elections could show the political strength of President Trump and Gov. Brian Kemp with Peach State voters.

Georgia Gov. Brian Kemp survived President Donald Trump’s bid to oust him in a Republican primary four years ago. Kemp’s hand-picked candidate in a Senate primary on Tuesday might not be as lucky.