"Petitioners' challenge depends on characterizing Proposition 8 as a radical departure from the fundamental principles of the California Constitution, " their briefs said.

CNN: Prop 8 proponents seek to nullify same-sex marriages

Unlike previous releases that have, essentially, revamped (or, in at least one case, mercifully killed) existing features, Microsoft is touting Windows 8 as a radical reimagining of its core product.

CNN: Final preview moves Windows 8 toward tablets

With Windows 8, Microsoft made many radical changes, not the least of which being the deletion of the fabled Start button.

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