It is the GOP field that gets to take center stage at CNBC's presidential debate Wednesday night, but Democratic candidates Bernie Sanders and Hillary Clinton aren't sitting the conversation out entirely -- even if there is baseball to watch.

Sanders will be competing with the debate and is hosting his own live town meeting online with students and young people. If you'd rather ask Bernie a question than you would Trump, you can tweet it out using #StudentsForBernie.

The Vermont senator has yet to comment on Lindsey Graham's big zinger delivered at second-tier Republican debate. "[Sanders] went to the Soviet Union on his honeymoon, and I don't think he ever came back," the South Carolina senator quipped.

As for Clinton, she's hosting a game night of sorts.

Her campaign put together a bit of side entertainment for her supporters ahead of the Republican showdown, asking people who they would want to face off against in debate (apparently somebody's camp is pretty confident she has the Democratic nomination locked down).

"Whether you want to see her shred Marco Rubio's stance on women's rights or do her spectacular Trump impression right to his face, there are really no bad choices," a promotional email from her camp reads. "Vote now! (Trust me, it'll make you feel better when you watch tonight.)"

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Clinton is returning a favor both candidates dealt her during the Democratic debate earlier this month.

Trump live tweeted the debate, writing, "Sorry, there is no STAR on the stage tonight," in one message. Rubio set up his own Democratic Debate Bingo in which players mark a space when they hear "Socialist/Democrat talking points, and other outdated ideas."

The Florida senator may come to regret that decision, as Newsweek appears to have drawn a page from his playbook and has put together its own GOP debate drinking bingo. Chris Christie is actually selling debate bingo cards on his website.

One person who isn't tweeting tonight's debate is Scott Walker, who dropped out of the race in September. The Wisconsin governor who was initially considered to be one of the field's strongest candidates hasn't touched his Twitter account since announcing the end of his campaign. Not only has he not done any tweeting, but he has also failed to remove the line "principled conservative running for POTUS" from his profile. 

Mum's been the word from third-place Dem candidate Martin O'Malley -- at least so far. He sent out his last tweet on Tuesday.

This article is commentary by an independent contributor. At the time of publication, the author held no positions in the stocks mentioned.