Polling shows Kamala Harris is inching closer to edging out Donald Trump’s lead in battleground states, and flipping just one could lead her to the White House, Real Clear Politics co-founder Tom Bevan told Fox News on Monday. In a segment with Neil Cavuto, Bevan said that the latest polling shows the changeover from Joe Biden to Kamala Harris has improved the Democrats’ standings in seven key swing states –Pennsylvania, Nevada, Wisconsin, Michigan, North Carolina, Georgia and Arizona – and narrowed Trump’s lead there from 3.5 percent to just 1 percent. “The blue wall is now back to being basi…