Sean Spicer clashes with press over definition of a wall

White House press secretary faces challenge from journalists over whether images showed walls or fences as he insists Trump is fulfilling his promiseSean Spicer on what a wall is. Photograph: Jonathan Ernst/Reuters
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When is a wall not a wall? When it’s a fence.
That was the question on many minds on Wednesday when Sean Spicer, the accident-prone White House press secretary, gave a presentation on border security with the aid of TV screens.
“This is what exists right now throughou