Joni Ernst is a Republican politician and legislator from the state of Iowa. She was elected to the Iowa Senate in 2010. She represents District 48, which serves the southwest part of the state.

Before being elected to the state senate, Ernst served for six years as the Montgomery County Auditor. Ernst is serving her 18th year in the US Army Reserves and the Iowa Army National Guard. She spent 14 months mobilized and overseas in Kuwait in 2003-2004, at the start of Operation Iraqi Freedom.

Bruce Braley (born October 30, 1957) is the U.S. Representative for Iowa's 1st congressional district, serving since 2007. He is a member of the Democratic Party. The district lies in northeastern Iowa and includes Davenport, Bettendorf, Cedar Falls, Waterloo, Dubuque, and Clinton.

Braley was born in Grinnell, Iowa. His family owned a farm in nearby Brooklyn, Iowa. Braley attended college at Iowa State University where he was a member of Phi Kappa Psi fraternity. He earned his Juris Doctor from the University of Iowa College of Law. While in college, he worked in agribusiness and in highway maintenance. He was admitted to the bar and has served as a trial lawyer in Waterloo since 1983. Braley specialized in representing workers who had been injured on the job or were terminated unfairly.

As an attorney, Braley served as president of the Iowa Trial Lawyers Association. He and his wife, Carolyn, were named couple of the year by Big Brothers/Big Sisters of Northeastern Iowa. They reside in Waterloo and have three children, Lisa, David and Paul.

Willard Mitt Romney (born March 12, 1947) is an American businessman and the presumptive nominee of the Republican Party for President of the United States in the 2012 election. He was the 70th Governor of Massachusetts (2003–07).

The son of Lenore and George W. Romney (Governor of Michigan, 1963–69), he was raised in Bloomfield Hills, Michigan. In 1966, after one year at Stanford University, he left the United States to spend thirty months in France as a Mormon missionary. In 1969, he married Ann Davies, and the couple had five children together. In 1971, he earned a Bachelor of Arts degree in English from Brigham Young University and, in 1975, a joint Juris Doctor and Master of Business Administration from Harvard University as a Baker Scholar. He entered the management consulting industry, which in 1977, led to a position at Bain & Company. Later serving as Chief Executive Officer, he helped bring the company out of financial crisis. In 1984, he co-founded the spin-off Bain Capital, a private equity investment firm that became highly profitable and one of the largest such firms in the nation. His net worth is estimated at $190–250 million, wealth that has helped fund his political campaigns. Active in The Church of Jesus Christ of Latter-day Saints, he served as Ward Bishop and later Stake President in his area near Boston. He ran as the Republican candidate in the 1994 U.S. Senate election in Massachusetts, losing to long-time incumbent Ted Kennedy. In 1999, he was hired as President and CEO of the Salt Lake Organizing Committee for the 2002 Winter Olympics and Paralympics; and he helped turn the fiscally troubled games into a success.

Christopher John "Chris" Matthews (born December 17, 1945) is an American news anchor and political commentator known for his nightly hour-long talk show, Hardball with Chris Matthews, which is televised on the American cable television channel MSNBC. On weekends he hosts the syndicated NBC News–produced panel discussion program The Chris Matthews Show. Matthews makes frequent appearances on many other NBC and MSNBC programs. On March 22, 2009, Matthews renewed the contract for Hardball with Chris Matthews through 2012.

Matthews was born in Philadelphia, Pennsylvania, to Irish American parents and is a Roman Catholic. He attended La Salle College High School. He is a 1967 graduate of the College of the Holy Cross in Worcester, Massachusetts, and did graduate work in economics at the University of North Carolina at Chapel Hill.

Matthews served in the United States Peace Corps in Swaziland from 1968 to 1970 as a trade development adviser.

When Matthews first arrived in Washington, D.C., he worked as a police officer with the United States Capitol Police. Subsequently, he served on the staffs of four Democratic members of Congress, including Senators Frank Moss and Edmund Muskie. In 1974, he mounted an unsuccessful campaign for Pennsylvania's 4th congressional district seat in the U.S. House of Representatives in which he received about 24% of the vote in the primary. Matthews was a presidential speechwriter during the Carter administration and later worked for six years as a top aide to longtime Speaker of the House of Representatives Tip O'Neill, playing a direct role in many key political battles with the Reagan administration.

Michael Dale "Mike" Huckabee (born August 24, 1955) is an American politician who served as the 44th Governor of Arkansas from 1996 to 2007. He was a candidate in the 2008 United States Republican presidential primaries, finishing second in delegate count and third in both popular vote and number of states won (behind both John McCain and Mitt Romney). He won the Iowa Republican caucuses. Huckabee exited the race as McCain became the presumptive Republican nominee after winning the delegate-rich winner-take-all states of Florida, California, and New York.

Huckabee is the author of several best selling books, an ordained Southern Baptistminister, musician and a public speaker. He is also an ABC Radio political commentator. He and his wife, Janet, have been married for over 37 years and have three grown children: John Mark, David, and Sarah. Janet Huckabee was an unsuccessful candidate for Arkansas Secretary of State in 2002.

Huckabee currently hosts the Fox News Channel talk show Huckabee. Starting April 2, 2012 he will host The Mike Huckabee Show from noon until 3 pm weekdays for Cumulus Media Networks.