Are Multivitamins a Waste of Money?

John Brooks talks about the recent news stating that multivitamins are a waste of money.

Do I need to take a Vitamin?
http://www.youtube.com/watch?v=VZkiFnSV4pg

References
David H. Baker
Cupric Oxide Should Not Be Used As a Copper Supplement for Either Animals or Humans
J. Nutr. December 1, 1999 vol. 129 no. 12 2278-2279
http://jn.nutrition.org/content/129/12/2278.full

Gervasio A. Lamas, MD, et al.
Oral High-Dose Multivitamins and Minerals After Myocardial Infarction: A Randomized Trial
Ann Intern Med 17 December 2013, Vol. 159. No. 12
http://annals.org/article.aspx?articleid=1789248

Francine Grodstein, et al.
Long-Term Multivitamin Supplementation and Cognitive Function in Men: A Randomized Trial
Ann Intern Med 17 December 2013, Vol. 159. No. 12
http://annals.org/article.aspx?articleid=1789250

Stephen P. Fortmann, et al.
Vitamin and Mineral Supplements in the Primary Prevention of Cardiovascular Disease and Cancer: An Updated Systematic Evidence Review for the U.S. Preventive Services Task Force
Ann Intern Med 17 December 2013, Vol. 159. No. 12
http://annals.org/article.aspx?articleid=1767855

Walker JG, et al.
Oral folic acid and vitamin B-12 supplementation to prevent cognitive decline in community-dwelling older adults with depressive symptoms--the Beyond Ageing Project: a randomized controlled trial.
Am J Clin Nutr. 2012 Jan;95(1):194-203
http://www.ncbi.nlm.nih.gov/pubmed/22170358

Calton JB.
Prevalence of micronutrient deficiency in popular diet plans.
J Int Soc Sports Nutr. 2010 Jun 10;7 :24. doi: 10.1186/1550-2783-7-24.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2905334/