WATCH: Senator Tim Kaine: (D-Va.) says the National Guard is not a “solution” to campus protests across the U.S. — and that people would “recall” what happened during the Vietnam War.

“The National Guard going to college campuses, Kent State and elsewhere, did not end well.”

WATCH: This year’s #WHCD , a celebration of the free press, was spearheaded by NBC News’ Kelly O'Donnell, who highlighted the importance of press access.

“More enduring than any news cycle or trending topic, we preserve the historical record, part of the legacy of the First Amendment.”

WATCH: Do you ever regret your vote to acquit fmr. President Trump in his second impeachment trial? Kristen Welker asks Leader McConnell.

Senate Minority Leader Mitch McConnell (R-Ky.): “I addressed this issue on January 6th and on February 13th. I stand by everything I said.”

WATCH: You said you endorse Trump. Are you going to vote for him? Kristen Welker asks.

Leader McConnell (R-Ky.): “I said three years ago … I would support the nominee of the party … and I do.”

Welker: “That includes voting for him?”

McConnell: “I said it three years ago.”

WATCH: Senate Minority Leader Mitch McConnell (R-Ky.) says federal abortion legislation — in “any direction” — could not get 60 Senate votes.

Leader McConnell: “I'm not advocating anything at this level. I think it's going to be … very different in different states.”

'I think the night really highlighted two of the big X factors in this race: age, of course, and Trump's legal battles. The fact that he has been stuck in a New York City courtroom...there's a practical impact of that.' - @KWelkerNBC on the @WHCA dinner Saturday night.

WATCH: In the latest NBC News national poll, former President Trump leads President Biden 46-44 percent — but the gap is shrinking.

Steve Kornacki: 'This slight improvement here for Biden tracks with a slight improvement in his job approval rating.'

WATCH: After the House passed aid to Ukraine, President Zelenskyy thanked Congress, Speaker Johnson and President Biden for their support.

Volodymyr Zelenskyy / Володимир Зеленський: “This is a show of leadership and strength of the United States.”

.Kristen Welker critically important interview with Volodymyr Zelenskyy / Володимир Зеленський NOW on Meet the Press.

He thanks Speaker Johnson and the American people.

He says the aid will 'send a powerful signal that it will not be the second Afghanistan... United States will stay with Ukraine.'

WATCH: President Volodymyr Zelenskyy / Володимир Зеленський says Ukraine is 'preparing' for a major Russian offensive — but it did 'lose the initiative' in the East after stalls in aid and weapons.

'The soldiers are engaged in training. ... But we are waiting for the weapons systems.'

WATCH: There are reports of a lack of morale in Ukraine as its war with Russia continues.

Volodymyr Zelenskyy / Володимир Зеленський: 'We have a lot of people who are ready to protect the motherland. … Motivation can go down ... when they go to the frontlines and they see there are no shells, no equipment.'

NEW: Kristen Welker asks President Zelenskyy, with continued U.S. aid, can Ukraine win the war against Russia, or just prolong it?

Volodymyr Zelenskyy / Володимир Зеленський: “I think this support will really strengthen the armed forces of Ukraine, and we will have a chance for victory.”

NEW: Ukrainian President Volodymyr Zelenskyy on #MTP thanked U.S. leaders for approving an aid package for Ukraine and said the newfound aid will give the country a chance at 'victory' as it defends itself from Russia. nbcnews.com/politics/congr…

Join us tomorrow on Meet the Press for my exclusive interview with President Volodymyr Zelenskyy / Володимир Зеленський about the latest on the fight in Congress over Ukraine aid. Plus Steve Kornacki debuts our new NBC News poll. #MTP

This Sunday on Meet the Press I'll be speaking exclusively with President Volodymyr Zelenskyy / Володимир Зеленський about the latest on the fight in Congress over Ukraine aid. Plus Steve Kornacki debuts our new NBC News poll. #MTP

WATCH: Biden has promised to codify Roe v. Wade if re-elected — but it’s unlikely he’d have the votes in the Senate to do that.

Is he offering voters false hope?

Governor Gretchen Whitmer (D-Mich.) says the president will do “everything in his power. ... This issue has motivated people.”

WATCH: Some Democrats — including those in Michigan — are calling Israel’s actions in Gaza a genocide.

The state’s Democratic governor won’t characterize it that way.

Governor Gretchen Whitmer: “I’m not going to weigh in. … A lot of these terms are used to inflame and divide us.”

WATCH: House Intel Chair Mike Turner (R-Ohio) says he expects the House to pass Ukraine aid this week.

US Rep. Mike Turner: 'I expect it to pass. … The United States must step up and provide Ukraine the weapons that they need.”

WATCH: As some Republicans call for the U.S. to strike Iran, House Intel Chair US Rep. Mike Turner says the U.S. shouldn’t engage in military action at Iran “at this point.”

'But I do believe if this administration fails to step up to the plate … we will be in a broader conflict.'

.US Rep. Mike Turner tells me he expects a vote on supplemental aid to both Israel and Ukraine in the House this week and he expects it to pass Meet the Press