Shortest and tidiest way to put it.

"In should be remembered that...energy issues, the government has asserted everything and its opposite"

Politics:

"The program of the left contains everything and its opposite, like all election platforms. It will depend on Prodi’s ability to disentangle himself, ...
http://www.usitalia.info/dettaglio.asp?Art_Id=1437&Art_Tema=...

[I]n a veering column which seemed to assert everything and its opposite, Dionne valiantly made the case for Bill Clinton's politics but not his personality ...
http://www.spinsanity.org/columns/20010409.html





Globalization is everything and its opposite.

The result is that the collection says pretty much everything and its opposite

“America is resented for everything and its opposite: It is at once too prurient and too puritanical; too elitist, yet also too egalitarian; too chaotic,

The Talmud, the body of law that dictates the community's life, "contains everything and its opposite", comments Rivka's mother. "That way, men can do what ...
http://www.newstatesman.com/200007310033







http://www.google.fr/search?hl=fr&q="everything and its oppo...

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Note added at 13 hrs (2007-02-09 11:50:12 GMT)
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More idiomatic still:

"it must be remembered that the government has taken (up) (completely) contradictory positions on energy issues, not to mention other issues"

http://www.google.fr/search?hl=fr&q="taken contradictory pos...

The tone is quite scathing, methinks.