On its July 11th Special Communication, in the Journal of American Medical Association (JAMA) President Obama published an article about "United States Health Care ReformProgress to Date and Next Steps" with the author title Barack Obama, JD. with author affiliates details as, Author Affiliations - President of the United States, Washington, DC
In simple four graphic illustrations he hits home runs on his key purpose and achievements of ACA.
I copy and post here those four graphics, each comes with its conclusion. Each of these come with proper citation.
Some important lessons for students.
Simple line graph, bar graph, linear model graph as very powerful and it will solve most of your key communication needs.