Top experts have issued their final predictions with the US election just a day away, as fencing around the White House reflected tensions at a fever pitch. Heavy-duty metal fencing standing 10 feet tall appeared along the perimeter of the official presidential home on Monday afternoon,

"...However, that doesn't mean the actual outcome will be all that close. If the polls are totally accurate we're in for a nail-biter on Tuesday night. But a systematic polling error is always possible,