There's nothing that makes white working class voters more important than any other voter. Obama won in 2012 without them. We will do it again.
So you are going for the Karl Rove 50+1 strategy?
You mean the strategy of getting more votes than the other candidate?
This is a great strategy for winning the Presidency, but it also has serious negative effects for the Democratic Party. Look at the shift from 2008 to 2015 in terms of state legislatures, governorships, House and Senate elections, etc. and you'll see that the Republican Party has effectively swept the board in terms of control over the Democrats in these key areas because the Democrats have abandoned the old 50 state strategy that Bill and Dean worked so hard to build. Even if Democrats win in 2016, they don't have much to gain from it.
Here's a good article on this very subject: http://www.politico.com/magazine/story/2015/08/democratic-blues-121561
A combination of off-year elections, focus on national races driving attention away from state and local races (making them easier to buy), consolidation of power through the ability to draw district boundaries, and the natural geographic disadvantage currently suffered by progressives through the combination of population clustering in urban centers and single member districts.
There you go. Is that what the article says? I haven't read it yet. Does it argue against trying to win the presidency through getting more votes than the other guy?
You can deduct any argument you want from the article. It mostly states facts and not opinions. This attitude of "well screw it we got the Presidency and possibly Supreme Court" that the Democratic Party has is hurting them not only at the national level but especially the state and local levels as well. There's a lot of talk about conservative extremists, but Obama is the most liberal President since LBJ and Sanders, an openly avowed socialist, is the primary challenger to Hillary for the Party's nomination. There's been an increasingly sharper partisan divide in this country with neither Party wanting to seek moderation. Ultimately this benefits conservatives since most Americans increasingly start to view the Government as inefficient and uncompromising.
Nothing about Obama's coalition has helped Democrats at any levels of Government except for the Presidency. Winning the Presidency has its' disadvantages.