Sen. Bob Corker, R-Tenn., spoke to students at Chattanooga Christian School on Friday. 

The former Chattanooga Mayor covered a variety of topics, most of which surrounded President Donald Trump's actions. 

He said the president, "has a tendency to get involved in things that presidents shouldn't get involved in."

Sen. Corker also commented on the escalating battle between President Trump and Attorney General Jeff Sessions. 

He claims the battle between Trump and Sessions started because Trump fired FBI Director, James Comey.

Sen. Corker said, "We're just in a really sad place right now for our country."

Sessions recused himself from the Russia investigation, citing his prominent role in the campaign.

Since then, the president tweeted, calling Sessions everything from "beleaguered" to "scared stiff."

Sen. Corker said, "I think it's very damaging to our justice system to undermine it the way the president is."

And, while there's talk of firing Sessions after the Mid-term elections, Sen. Corker said he is respected for his integrity and character. 

Sen. Corker decided not to seek re-election this year. He endorsed Republican Marsha Blackburn, who is running against Democratic candidate Phil Bredesen for the Senate seat.