Sen. Lamar Alexander Andrew (Lamar) Lamar AlexanderTrump health officials grilled over reports of politics in COVID-19 response Now is the time to renew our focus on students and their futures CDC says asymptomatic people don't need testing, draws criticism from experts MORE (R-Tenn.) said on Sunday he believes that despite his certain acquittal this week, President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE’s impeachment will dissuade him from conduct of the kind that led to the impeachment proceedings.

“Are you at all concerned, when you speak foreign interference, he does not believe he’s done anything wrong? That what happened here might encourage him to seek further interference?” NBC’s Chuck Todd Charles (Chuck) David ToddSunday shows - Trump team defends coronavirus response Strzok: 'I continue to believe that Donald Trump is compromised by the Russians' GOP chair defends Trump messaging on masks: 'To say that he should have known then what we know now isn't really fair' MORE asked Alexander.

“I don’t think so, I hope not,” Alexander responded. “Enduring an impeachment is something that nobody should like. Even the president said he didn’t want that on his resume, I don’t blame him.”

“If a call like this gets you an impeachment, I would think he would think twice before he did it again,” Alexander added, referencing a call with Ukrainian President Volodymyr Zelensky in which Trump tried to persuade Zelensky to investigate the Biden family.

WATCH: @SenAlexander says he hopes Pres. Trump does not continue to engage in foreign interference. #MTP #IfItsSunday



Sen. Alexander: “If a call like this gets you an impeachment, I would think he would think twice before he did it again.” pic.twitter.com/K8IWXRyY3b — Meet the Press (@MeetThePress) February 2, 2020

“What example, in the life of Donald Trump, has he been chastened?” asked Todd.

“I haven’t studied his life that close, but like most people who survive to make it to the presidency, he’s sure of himself. But hopefully he’ll look at this and say ‘Okay, that was a mistake, I shouldn’t have done that, I shouldn’t have done it that way,’” Alexander said, saying Trump’s reelection campaign should instead emphasize his record on issues like the economy.

Alexander also that if Trump was concerned about possible corruption in Ukraine involving the Biden family, he should have discussed it with Attorney General William Barr Bill BarrBarr asked prosecutors to explore charging Seattle mayor over protest zone: report Trump says mail ballots greater election threat than foreign interference Barr told federal prosecutors to aggressively charge protesters with crimes: report MORE.

“What president should have done is, if he was upset about what Joe Biden Joe BidenThe Memo: Warning signs flash for Trump on debates Senate Republicans signal openness to working with Biden National postal mail handlers union endorses Biden MORE and his son, what they were doing in Ukraine, he should have called the attorney general and told him that” Alexander, who last week cast a decisive vote against allowing new witnesses at the president’s impeachment trial, told NBC’s Chuck Todd on “Meet the Press.”

Asked why Trump did not take that step, Alexander responded “maybe he didn’t know to.”