Both Mr. Bush and Mr. Gore adopted Mr. Clinton's tactical campaign methods, trying hard to avoid controversial issues and ideological hot buttons.
The Bush administration's decision to detain Mr. Hamdi without trial, along with an American and a Saudi on a student visa who were arrested in Illinois and transferred to military custody, was controversial across the ideological spectrum.
In early iterations, Professor Sims says, the theory was "ideological and controversial".
In May, researchers working for the site published a very high-profile, very controversial paper on the "ideological diversity" of information in the News Feed.
"The fact is," said Dr. Jerry Coyne, an evolutionary biologist at the University of Chicago and a co-author of the critical review of Dr. Thornhill and Dr. Palmer's book in Nature, "that evolutionary psychology, except for its barest claims, remains highly controversial, and there are ideological agendas on both sides".
But other changes are more ideological and more controversial.
When the Affordable Care Act was just a concept, it was controversial and deeply vulnerable to ideological opposition.
Hannachi explained that the controversial banners do not necessarily reflect an ideological commitment to IS or Nazi views, but rather are a form of provocative "release" in the face of dwindling prospects and marginalization within society.
For many people, particularly in parts of the global south, the Nobel peace prize has come to be seen as a controversial win, associated as it is with particular ideological preferences.
The question now is: Will the public discourse in our nation allow an ongoing focus on this issue or will ideological venom polarize even the least controversial challenges we face as a nation?
