Activist Jowelle De Souza made history on Tuesday as the first transgender person to be appointed a senator.De Souza was appointed a temporary Opposition senator in place of Jayanti Lutchmedial, who was ill.Shortly after De Souza took the oath, there was a tit-for-tat exchange between Tourism Minister Randall Mitchell and United National Congress (UNC) senators Anil Roberts and David Nakhid.Senate President Christine Kangaloo had to caution members.