The easiest path for Vice President Kamala Harris to win 270 Electoral College votes will go through the battleground states of Michigan, Pennsylvania and Wisconsin (also known as the “Blue Wall”). And a new analysis breaks down exactly where she could focus her resources to add those states to her win column. On Wednesday, the New Republic’s Greg Sargent interviewed veteran journalist Ronald Brownstein of the Atlantic, who recently broke down exactly how Harris could carry the Blue Wall states. According to Brownstein, the vice president could secure the critical swing states by going all-in …