Violence is defined by the World Health Organization as the intentional use of physical force or power, threatened or actual, against oneself, another person, or against a group or community, that either results in or has a high likelihood of resulting in injury, death, psychological harm, maldevelopment or deprivation. This definition associates intentionality with the committing of the act itself, irrespective of the outcome it produces.

Globally, violence takes the lives of more than 1.5 million people annually: just over 50% due to suicide, some 35% due to homicide, and just over 12% as a direct result of war or some other form of conflict. For each single death due to violence, there are dozens of hospitalizations, hundreds of emergency department visits, and thousands of doctors' appointments. Furthermore, violence often has life-long consequences for victims' physical and mental health and social functioning and can slow economic and social development.

Violence, however, is preventable. Evidence shows strong relationships between levels of violence and potentially modifiable factors such as concentrated poverty, income and gender inequality, the harmful use of alcohol, and the absence of safe, stable, and nurturing relationships between children and parents. Scientific research shows that strategies addressing the underlying causes of violence can be effective in preventing violence. Examples of scientifically credible strategies to prevent violence include nurse home-visiting and parenting education to prevent child maltreatment; life skills training for children ages 6–18 years; school-based programmes to address gender norms and attitudes; reducing alcohol availability and misuse through enactment and enforcement of liquor licensing laws, taxation and pricing; reducing access to guns and knives; and promoting gender equality by, for instance, supporting the economic empowerment of women.

Herman Cain (born December 13, 1945) is an American author, business executive, radio host, syndicated columnist, and Tea Party activist from Georgia. He was a candidate for the 2012 U.S. Republican Party presidential nomination.

Cain grew up in Georgia and graduated from Morehouse College in 1967 with a Bachelor of Science in mathematics. Cain pursued graduate studies at Purdue University, and graduated with a Master of Science in computer science in 1971, while also working full-time for the U.S. Department of the Navy. In 1977, he joined Pillsbury Company where he later became vice president. During the 1980s, his success as a business executive at Burger King prompted Pillsbury Company to appoint him as chairman and CEO of Godfather's Pizza, in which capacity he served from 1986 to 1996.

Cain was chairman of the Federal Reserve Bank of Kansas City Omaha Branch from 1989 to 1991. He was deputy chairman, from 1992 to 1994, and chairman, from 1995 to 1996, of the Federal Reserve Bank of Kansas City. In 1995, Cain was appointed by Newt Gingrich to the Kemp Commission, and was a senior economic advisor to the Bob Dole presidential campaign. Cain became the CEO of the National Restaurant Association, in which he served as president and CEO from 1996 to 1999. During the Presidency of Bill Clinton, Cain publicly opposed the Clinton health care plan of 1993, about which he questioned the president at a town hall meeting. Cain has served as a member of the board of directors of several companies, including Aquila, Inc., Nabisco, Whirlpool, Reader's Digest, and AGCO.

Donald John Trump, Sr. (born June 14, 1946) is an American business magnate, television personality and author. He is the chairman and president of The Trump Organization and the founder of Trump Entertainment Resorts. Trump's extravagant lifestyle, outspoken manner and role on the NBC reality show The Apprentice have made him a well-known celebrity who was No. 17 on the 2011 Forbes Celebrity 100 list. He is well-known as a real-estate developer who amassed vast hotel, casino, and other real-estate properties, in the New York City area and around the world.

Trump is the son of Fred Trump, a wealthy New York City real-estate developer. He worked for his father's firm, Elizabeth Trump & Son, while attending the Wharton School of the University of Pennsylvania, and in 1968 officially joined the company. He was given control of the company in 1971 and renamed it The Trump Organization.

In 2010, Trump expressed an interest in becoming a candidate for President of the United States in the 2012 election. In May 2011, he announced he would not be a candidate, but a few weeks later he said he had not completely ruled out the possibility. In December 2011, Trump was suggested as a possible Vice Presidential selection by Michele Bachmann. Bachmann has since suspended her presidential campaign.