WALZ, WITH HIS FOLKSY MANNER AS HIM, AS QUICKLY BECAME A DARLING OF THE DEMOCRATIC PARTY AFTER KAMALA HARRIS PICKED HIM TO BE HER RUNNING MATE. >> HE HAS ALREADY BEEN INTRODUCED TO THE COUNTRY, BUT TONIGHT WILL BE HIS CHANCE TO INTRODUCE HIMSELF ON A WORLDWIDE STAGE AND MAKE THE CASE TO INDEPENDENT VOTERS. GOVERNOR TIM WALZ, SMILING ON THE CONVENTION STAGE AS HE DID HIS WALK THROUGH THIS AFTERNOON, PREPARING FOR WHAT WILL BE THE MOST IMPORTANT SPEECH OF HIS LIFE. MEMBERS OF THE ILLINOIS DELEGATION, CONFIDENT HE WILL SCORE BIG WITH THOSE WATCHING. >> I THINK WALZ IS GOING TO HIT A HOME RUN. I'M TELLING YOU, THIS GUY, HE CONNECTS. YOU CAN WATCH THIS VIDEOS, YOU CAN LISTEN TO HIM. I'VE TALKED TO STATE REPRESENTATIVES FROM MINNESOTA ABOUT HOW HE CONNECTS. SO HE HAS TO MAKE THAT CONNECTION. YOU KNOW HOW IT IS. YOU KNOW HE NEEDS TO GET ON THAT CAMERA AND MAKE THE CONNECTION. >> IT HAS ONLY BEEN TWO WEEKS SINCE HARRIS PICKED THE MINNESOTA GOVERNOR, A FORMER TEACHER AND FOOTBALL COACH, TO BE HER RUNNING MATE. THE TWO TAKING THE STAGE TOGETHER LAST NIGHT DURING A RALLY IN MILWAUKEE. >> HIS LIFETIME OF SERVICE IS REALLY WHAT DREW VICE PRESIDENT HARRIS TO CHOOSE HIM TO BE A PART OF HER TICKET. SO WE'RE GOING TO LEARN A LOT MORE ABOUT HIM. I THINK WE'RE GOING TO SEE A LOT OF POSITIVITY AND JOY, WHICH IS A BIG PART OF THIS CAMPAIGN. AND I THINK IF YOU'RE ON THE GROUND HERE, YOU CAN FEEL THAT. >> THIS MORNING DURING THE ILLINOIS DELEGATION BREAKFAST, TRANSPORTATION SECRETARY PETE BUTTIGIEG, WHO WILL ALSO SPEAK TONIGHT MAKING THE CASE FOR WALZ, WHICH HE SAID IS AN EASY ONE. >> I HAVE SEEN CAMPAIGN PLANES SPEND MILLIONS OF DOLLARS TRYING TO MAKE THEIR CANDIDATE SEEM LIKE THE KIND OF GUY WHO WOULD BE A NATIONAL GUARDSMAN, A SCHOOL TEACHER AND A FOOTBALL COACH. HE LITERALLY IS THAT GUY. EACH NIGHT OF THE CONVENTION GIVING DEMOCRATS INCREASED CONFIDENCE. >> BUT LEADERS DON'T WANT ANYONE TO TAKE THE MOMENTUM FOR GRANTED. I JUST WANT YOU TO KNOW THAT WE'VE GOT TO KEEP STAY IN THIS FIGHT BETWEEN NOW AND NOVEMBER. >> DON'T LET UP FOR A MOMENT. DON'T TAKE ANYTHING FOR GRANTED . >> TONIGHT, OBVIOUSLY, THERE IS A PACKED HOUSE. YOU CAN FEEL THE ENERGY BEGIN TO BUILD AND IT WILL CONTINUE BUILDING ALL NIGHT. THE THEME FOR TONIGHT, A FIGHT FOR OUR FREEDOMS. ALREADY WE'VE HEARD SPEAKERS TALKING ABOUT REPRODUCTIVE RIGHTS FOR WOMEN. TIM WALZ EXPECTED TO ADDRESS THAT TONIGHT WHEN HE TAKES THE STAGE DURING PRIME TIME LIVE FROM THE CONVENTIO