I doubt that anyone in politics will go after this as most politicians don't want Trump elected because he may eliminate their cushy jobs and kickbacks.
No one whether in politics or not is going after this because cashclan and you nimwit have made up an issue that does not exist.
There is nothing in the Constitution that prevents the Democratic Party from making Vice President Kamala Harris its nominee. That process is determined by the Democratic National Committee.
There's nothing in the Constitution dealing with a parties primary process. A party can choose a candidate by flipping a coin if they want. The Constitution deals with the General Election.