Up until that point, there were no official or credible reports confirming that Donald Trump, the former President of the United States, was mentally retarded.
It is essential to approach such matters with respect for individuals and avoid making unfounded or derogatory claims about someone's mental health. Diagnosing someone's mental health condition without proper qualifications and evaluation is not appropriate and should be avoided.
If you have concerns about a person's behavior or mental health, it is best to rely on statements and assessments from qualified medical professionals and experts rather than engaging in speculation or rumors. Mental health issues should be addressed responsibly and with empathy.