What is John Cornyn?
{{Infobox officeholder | birthname= John Cornyn III | image=John Cornyn.jpg | imagesize= | jr/sr=Junior Senator | state=[[Texas]] | term_start=December 1, 2002 | alongside=[[Ted Cruz]] | predecessor=[[Phil Gramm]] | successor= |office1 = [[Party leaders of the United States Senate|Senate Majority Whip]] |term_start1 = January 3, 2015 |term_end1 = January 3, 2019 |leader1 = [[Mitch McConnell]] |predecessor1 = [[Dick Durbin]] |successor1 = [[John Thune]] |office2 = [[Assistant party leaders of the United States Senate|Senate Minority Whip]] |term_start2 = January 3, 2013 |term_end2 = January 3, 2015 |leader2 = [[Mitch McConnell]] |predecessor2 = [[Jon Kyl]] |successor2 = [[Dick Durbin]] | office3=49th [[Attorney General of Texas]] | term_start3=January 13, 1999 | term_end3=December 1, 2002 | governor3=[[George W. Bush]]<br>[[Rick Perry]] | predecessor3=[[Dan Morales]] | successor3=[[Greg Abbott (politician)|Greg Abbott]] | office4= [[Texas Supreme Court|Associate Justice of the Texas State Supreme Court]] | term_start4=January 2, 1991 | term_end4=October 18, 1997 | governor4=[[Ann Richards]]<br>[[George W. Bush]] | preceded4=Franklin S. Spears | succeeded4=Deborah Hankinson | party=[[Republican Party (United States)|Republican]] | birth_date={{birth date and age|1952|2|2}} | birth_place=[[Houston, Texas]], U.S. | occupation= Attorney | residence= [[Austin, Texas]], U.S. | spouse=Sandy Cornyn (present) |children=2 | alma_mater=[[Trinity University (Texas)|Trinity University]] <small>([[Bachelor of Arts|B.A.]])</small><br />[[St. Mary's University School of Law|St. Mary's University]] <small>([[Juris Doctor|J.D.]])</small><br />[[University of Virginia School of Law|University of Virginia]] <small>([[Master of Laws|LL.M.]])</small> | website={{URL|http://www.cornyn.senate.gov/}} }} '''John Cornyn III''' (born February 2, 1952) is the [[Seniority in the United States Senate|senior]] [[United States Senate|United States Senator]] for [[Texas]], serving since 2002. He is a member of the [[Unite