What is the name of this American politician and member of the Democratic Party who serves as the senior United States Senator from Maryland, born in October 1943, and who noted that there is an international campaign to reopen the Halki Seminary?
Ben Cardin: Benjamin Louis Cardin (born October 5, 1943) is an American politician and member of the Democratic Party who serves as the senior United States Senator from Maryland, in office since 2007.
i don't know