This from Ron Brownstein the other day looking pretty prescient:

Hillary Clinton’s easiest path to an Electoral College majority does not include Ohio, Florida, or North Carolina.
Yet those three states all rank at the very top of the list of locales where she has invested the most time and advertising spending, especially in the campaign’s critical closing weeks. By contrast, the campaign has devoted very little advertising or time from Clinton and her top surrogates in several of the states that are part of her core strategy for reaching 270 Electoral College votes—among them Michigan, Wisconsin, Colorado, Virginia, and New Mexico.