Sentence:  And for now to have a policy where those fine Americans can only serve if they lie about who they are is a <WSD>discredit</WSD> to the American people. It is a <WSD>discredit</WSD> to their service and their opportunity. It is a <WSD>discredit</WSD> to people who have died in service. 
Meaning of the word marked with <WSD> tags:  A person or thing that causes harm to a reputation, as of a person, family, or institution.