About: http://webisa.webdatacommons.org/429195854

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Article I sec 3 cl 5 states that the Senate can chuse their other officers, including a president pro tempore.
http://www.w3.org/ns/prov#wasQuotedFrom	xrlq.com