MINYANVILLE ORIGINAL The enterprise market is often seen as the last stronghold for Research In Motion’s (NASDAQ:RIMM) BlackBerrry. Because of its perceived superiority in security the BlackBerry with its messaging and email encryption technology has long been the smartphone of choice for businesses and government agencies. However it seems like even government employees can no longer resist the siren call of Apple’s (NASDAQ:AAPL) iPhone.   A New York Times report on the stodgy image of the BlackBerry from last week pointed out that White House staffers had recently switched from the BlackBerry to the iPhone:   Even the White ...