Top Leading Issues Top Leading Issues en Copyright 2016 ProQuest LLC. All rights reserved. 04/30/2016 04/30/2016 SIRS 90 46 Knowledge Source Election 2016 &title=Election 2016 Election 2016 0000185057 Renewable energy sources &title=Renewable energy sources Renewable energy sources 0000022123 Bioethics &title=Bioethics Bioethics 0000002743 Gun control &title=Gun control Gun control 0000011611 Animal experimentation &title=Animal experimentation Animal experimentation 0000001245 Marijuana, Law and legislation &title=Marijuana, Law and legislation Marijuana, Law and legislation 0000015900 Abortion &title=Abortion Abortion 0000000037 Animal welfare &title=Animal welfare Animal welfare 0000001287 Homework &title=Homework Homework 0000012354 Capital punishment &title=Capital punishment Capital punishment 0000003876