Sen. Claire McCaskillClaire Conner McCaskillMSNBC's McCaskill: Trump used 'his fat thumbs' to try to intimidate Yovanovitch GOP senator rips into Pelosi at Trump rally: 'It must suck to be that dumb' Iranian attacks expose vulnerability of campaign email accounts MORE (D-Mo.) said that her new colleague, former comedian Al FrankenAlan (Al) Stuart FrankenTake Trump literally and seriously in Minnesota Ninth woman accuses Al Franken of inappropriate contact Al Franken to host SiriusXM radio show MORE (D-Minn.), was "humbled" by his appearance in the Senate yesterday, perhaps in response to his toned-down press conference yesterday.

She tweeted:
Welcoming Al Franken today.Swearing in at 12:15. Good example of a democracy with respect for rule of law. So close. Sure it humbled him.

McCaskill also commented on the eight-month legal battle that decided Franken's victory over former Sen. Norm Coleman (R), saying it was a "[g]ood example of a democracy."

Franken's first appearance in the Senate is here:

UPDATED 11:13am: Sen. McCaskill responded, tweeting:
Don't know why anyone would misinterpret my comments on Franken.Only meant to show respect for him and his hard fought victory.Welcome Al!