Don't believe it. Obama's amnesty really was unprecedented and unconstitutional. Obama's amnesty was going against the will of the Congress. Reagan and Bush's executive orders on immigration were to fulfill the desire of Congress. They made administrative corrections designed to carry out congressional intent. For a more detailed examination of the differences between executive action of Reagan and Bush on immigration and the dictatorial actions of President Obama, read this article: Obama’s Unilateral Amnesty Really Will Be Unprecedented—and Unconstitutional.