Warnock not worried about Biden's age

• "But at the end of the day, an election is about a choice. And I think that choice will be more than obvious," Warnock told Alexi McCammond during an Axios News Shapers event.
• "I think [Biden] will go down as certainly one of the most effective presidents we've seen, certainly in my lifetime," Warnock said.

The big picture: Biden, 80, is the oldest sitting U.S. president.

• If he wins a second term, he would be 82 years old on Inauguration Day, a reality that Republicans are seizing on as a political vulnerability.

Go deeper... Biden's age trap: Risks of running at 80