What is Patrick Leahy?
{{Infobox officeholder |name = Patrick Leahy |image = Patrick Leahy 117th Congress.jpeg |caption = Official portrait, 2021 |office1 = [[President pro tempore of the United States Senate]] |term_start1 = January 20, 2021 |term_end1 = January 3, 2023 |predecessor1 = [[Chuck Grassley]] |successor1 = [[Patty Murray]] |term_start2 = December 17, 2012 |term_end2 = January 3, 2015 |predecessor2 = [[Daniel Inouye]] |successor2 = [[Orrin Hatch]] |office3 = [[President pro tempore emeritus of the United States Senate]] |term_start3 = January 3, 2015 |term_end3 = January 20, 2021 |predecessor3 = [[Ted Stevens]] |successor3 = [[Chuck Grassley]] |jr/sr4 = United States Senator |state4 = [[Vermont]] |term_start4 = January 3, 1975 |term_end4 = January 3, 2023 |predecessor4 = [[George Aiken]] |successor4 = [[Peter Welch]] |office5 = Chair of the [[United States Senate Committee on Appropriations|Senate Appropriations Committee]] |term_start5 = February 3, 2021 |term_end5 = January 3, 2023 |predecessor5 = [[Richard Shelby]] |successor5 = [[Patty Murray]] |office6 = Chair of the [[United States Senate Committee on the Judiciary|Senate Judiciary Committee]] |term_start6 = January 3, 2007 |term_end6 = January 3, 2015 |predecessor6 = [[Arlen Specter]] |successor6 = [[Chuck Grassley]] |term_start7 = June 6, 2001 |term_end7 = January 3, 2003 |predecessor7 = Orrin Hatch |successor7 = Orrin Hatch |term_start8 = January 3, 2001 |term_end8 = January 20, 2001 |predecessor8 = Orrin Hatch |successor8 = Orrin Hatch |office9 = Chair of the [[United States Senate Committee on Agriculture, Nutrition, and Forestry|Senate Agriculture Committee]] |term_start9 = January 3, 1987 |term_end9 = January 3, 1995 |predecessor9 = [[Jesse Helms]] |successor9 = [[Richard Lugar]] |office10 = [[District attorney|State's Attorney]] of [[Chittenden County, Vermont]] |term_start10 = May 10, 1966 |term_e