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The Claim: The claim in this advertisement, as I see it, is that the “Keep The Promise” organization believes that Marco Rubio would put others things, such as gambling, in front of his duties as President, duties such as keeping America and the people who live here safe.
The evidence: I have looked on the internet for websites or articles that somehow connect to the allegations made against Marco Rubio. It hard to say which website the “Keep the Promise” group used, but there are articles they could have used.
The underlying assumption, principle or rule that connects the evidence to the claim: In the video, there is a scene that shows Marco Rubio