Article continues below advertisementA former Trump insider is sounding the alarm.Stephanie Grisham, who served as Donald Trump's press secretary during his 2016 administration, publicly raised concerns about the president's mental state following what she described as a strange and unsettling press conference.Grisham took to X on January 20 to share her reaction after watching Trump address reporters at the White House. During the briefing, the president criticized the previous administration while holding up what he called a "book of accomplishments" from the first year of his second term.