Claim: Is Reagan's claim, or position, about the space program credible and supported by logical reasoning and evidence? Reasoning: Upon what premises—statements affirming or denying something— is President Reagan's argument based? Does he make any logical errors in presenting his conclusions? For example, does he make any generalizations that are too broad? Evidence: Are the facts, examples, and other details included in the speech valid, authoritative, relevant, and sufficient? Is President Reagan able to support his vision of the future with evidence?