Appearing on MSNBC on the morning after Donald Trump, his two sons and the Trump Organization were slammed by Judge Arthur Engoron with a financial fraud penalty thatcould exceed $450 million, one ex-prosecutor suggested the IRS and the DOJ could be waiting in the wings. Speaking with host Ali Velshi, legal analyst Catherine Christian acknowledged that New York Attorney General Letitia James had indicated she would be passing on some of her findings that led to the former president’s conviction to the Department of Justice. She added that Trump and his sons, Donald Jr. and Eric may also be hea…