Question: 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?
Sentence (from "Halki seminary"): As of January 2011, an international campaign to reopen this theological school is entering its 40th year as noted by American Senator Ben Cardin of Maryland in the United States Congress during the 2nd Session of Proceedings and Debates of the 111th Congress.
Relevant evidence: Yes