"...the actions of men proceed from their opinions, and in the well governing of opinions consisteth the well governing of men's actions..." Thomas Hobbes, The Leviathan,Chapter XVIII: Of the Rights of Sovereigns by Institution.
Being familiar with current news, events and research and getting information from a wide variety of resources will help you evaluate arguments by giving sources for examples and counter-examples as well as providing valuable experience interpreting, analyzing and evaluating arguments and reports.
Read Newspapers: There are many online newspapers and news aggregators. Newspapers do exhibit political, national and personal bias; so, read a variety of sources carefully.
Inequality For All: A Passionate Argument on Behalf of the Middle Class: A 2013 documentary about Robert Reich's view of economic prosperity. http://inequalityforall.com/
Civilization: A Personal View by Kenneth Clark: A 13 hour long argument using the history of art to define the term 'civilization.' http://topdocumentaryfilms.com/civilisation/
Who's Counting? Marilyn Waring on Global Economics: "If Women Counted (1988) by Marilyn Waring, former New Zealand Member of Parliament, is an influential book in academic feminism, political economy and feminist economics. The book is a groundbreaking and systematic critique of the system of national accounts, the international standard of measuring economic growth, and the ways in which women's unpaid work as well as the value of Nature have been excluded from what counts as productive in the economy." - Wikipedia (http://en.wikipedia.org/wiki/If_Women_Counted) https://www.nfb.ca/film/whos_counting http://marilynwaring.com/
