Question: Which member of the 82nd Airborne Division defeated Republican U.S. Senator David Vitter?

Context articles: James Megellas
320th Field Artillery Regiment
82nd Airborne Division War Memorial Museum
82nd Airborne Division Artillery
John Bel Edwards
82nd Airborne Division
504th Infantry Regiment (United States)
Jay W. Hood
508th Infantry Regiment (United States)
326th Infantry Regiment (United States)

James Megellas (born March 11, 1917) is a retired United States Army officer who commanded a platoon in Company "H" of the 3rd Battalion, 504th Parachute Infantry Regiment (PIR), 82nd Airborne Division during World War II.
 He is "the most-decorated officer in the history of the 82nd Airborne Division," having received a Distinguished Service Cross, a Silver Star, and been nominated for the Medal of Honor.
The 320th Field Artillery Regiment (FAR) is a field artillery regiment of the United States Army.
 A parent regiment under the U.S. Army Regimental System, the 320th FAR currently has two active elements in the 101st Airborne Division (Air Assault): 1st Battalion, 320th FAR (1-320 "Top Guns") in 2nd Brigade Combat Team; and 3rd Battalion, 320th FAR (3-320 "Red Knight Rakkasans") in 3rd Brigade Combat Team.
 The regiment served with the 82nd Airborne Division during World Wars I and II, and regimental elements have served with the 82nd and 101st Airborne Division, the 193rd Infantry Brigade and the Berlin Brigade, and conducted combat operations in the Dominican Republic, Vietnam, Grenada, Operations Desert Shield and Storm, and the Global War on Terror.
The 82nd Airborne Division War Memorial Museum is a museum located at Ardennes and Gela Streets on the Fort Bragg Army base.
 Established in 1945, the museum chronicles the history of the 82nd Airborne Division from 1917 to the present including World War I, World War II, Vietnam War, and Persian Gulf Wars as well as campaigns in Grenada, Panama, Operation Golden Pheasant, Operation Restore Hope and Operation Enduring Freedom.
 The museum is open to the public but photo id and a vehicle search is required to enter Fort Bragg.
The 82nd Airborne Division Artillery (DIVARTY) is the divisional artillery command for the 82nd Airborne Division of the United States Army, stationed at Fort Bragg, North Carolina.
 It was organized in 1917, during World War I, was inactivated in 2006 as part of the transformation to modular brigade combat teams, and was reactivated in 2014.
John Bel Edwards (born September 16, 1966) is an American politician and lawyer who is the 56th and current Governor of Louisiana, in office since January 11, 2016.
 He was previously the Minority Leader of the Louisiana House of Representatives and represented the 72nd District for two terms.
 He left the state legislature to run for governor in 2015.
 A member of the Democratic Party, he defeated Republican U.S. Senator David Vitter in the second round of the 2015 election.
 He is a United States Army veteran, having served with the 82nd Airborne Division.
The 82nd Airborne Division is an elite airborne infantry division of the United States Army, specializing in parachute assault operations into denied areas.
 Based at Fort Bragg, North Carolina, the 82nd Airborne Division is part of the XVIII Airborne Corps.
 The 82nd Airborne Division is the U.S. Army's most strategically mobile division.
 Some sources consider the 82nd Airborne Division the most highly trained light infantry division in the world.
 Recently the 82nd Airborne has been conducting operations in Iraq.
 The 82nd Airborne has been assigned to advise and assist Iraqi Security Forces.
The 504th Infantry Regiment, originally the 504th Parachute Infantry Regiment (504th PIR), is an airborne forces regiment of the United States Army, part of the 82nd Airborne Division, with a long and distinguished history.
 The regiment was first formed in mid-1942 during World War II as part of the 82nd Airborne Division and saw service in Sicily, Italy, Anzio, the Netherlands, Belgium and Germany.
Jay W. Hood is a retired United States Army Major General.
 His final assignment was as Chief Of Staff of the United States Central Command.
 His previous assignments include Commander of First Army, Division East, Fort George G. Meade, Maryland Commanding General of Joint Task Force Guantanamo (JTF-GTMO), Guantanamo Bay, Cuba; Assistant Division Commander (Forward), 24th Infantry Division and Deputy Commanding General (South), First Army, Fort Gillem, Georgia; Commander, 82nd Airborne Division Artillery and Commander, 3rd Battalion, 319th Field Artillery Regiment, 82nd Airborne, Fort Bragg, North Carolina; Commander, Battery D, 4th Battalion (Airborne), 325th Infantry (Battalion Combat Team), U.S. Army Southern European Task Force; and Commander, Battery A, 2nd Battalion, 321st Field Artillery Regiment, 82nd Airborne Division, Fort Bragg, North Carolina.
 General Hood is a graduate of Pittsburg (KS) State University
The 508th Infantry Regiment ("Red Devils" or "Fury from the Sky") is an airborne infantry regiment of the United States Army, first formed in October 1942 during World War II.
 The 508th is a parent regiment under the U.S. Army Regimental System, and two battalions from the regiment are currently active: the 1st Battalion (1-508 PIR) is assigned to the 3rd Brigade Combat Team, 82nd Airborne Division, and the 2nd Battalion (2-508 PIR) is assigned to the 2nd Brigade Combat Team, 82nd Airborne Division.
 The regiment served in combat during World War II, and regimental elements have served in combat in the Dominican Republic, Vietnam, Grenada, Panama, Iraq and Afghanistan.
The 326th Infantry Regiment was an infantry regiment of the United States Army that saw active service during World War I, as part of the 82nd Division and fought in the Meuse-Argonne Offensive and was inactivated in 1919.
 The regiment was reactivated during World War II, again as part of the 82nd Infantry Division, and was converted into a glider infantry formation, becoming the 326th Glider Infantry Regiment.
 Originally part of the 82nd Airborne Division, the regiment transferred to the 13th Airborne Division.
 However, despite training for almost three years, the 326th was never involved in any combat.