According to a former Donald Trump White House communications official, the former president’s rhetoric is reaching “unhinged” levels as he scrambles to return to the Oval Office. Speaking with MSNBC host Jen Psaki, Sarah Matthews — who quit following the Jan. 6 insurrection — claimed Trump’s open embrace of extremist racist rhetoric should be alarming to anyone who has watched him recently. “I’m sure you’ve been watching, because he’s been so outspoken in the recent days and weeks, and you are someone, I know from the role, you probably read speeches, you edited speeches, you are very familia…