A taste:

The nonpartisan Tax Policy Center found that under the Sanders plan, a married couple filing jointly with an income below $10,650 would continue to pay no income tax; everyone else would pay higher taxes. Those in the second quintile would pay an additional $1,625 and those in the middle quintile would see their income tax liability increase by $4,692. Those in the top quintile would pay $42,719 more.

Higher up the ladder, the tax increase would grow to $130,275 for those in the top 5 percent, to $525,365 for those in the top one percent and to $3.1 million for the top 0.1 percent.

When the additional revenues from the Sanders tax hike are subtracted from the additional spending his proposals would demand, the net result is an $18.1 trillion increase in the national debt over 10 years, according to the center.

In rhetoric reminiscent of Franklin Delano Roosevelt and Harry Truman, Sanders declared:

We must send a message to the billionaire class: “you can’t have it all.” You can’t get huge tax breaks while children in this country go hungry.

But Sanders spoke to the Democratic Party of 2016, not the Democratic Party of the Great Depression [....]

In the 2016 election, the economic elite was essentially half Democratic, according to exit polls: Those in the top 10 percent of the income distribution voted 47 percent for Clinton and 46 percent for Trump. Half the voters Sanders would hit hardest are members of the party from which he sought the nomination.

The problem for the Democratic Party is that “them” has become “us.”

In the past, Democrats could support progressive, redistributive policies knowing that the costs would fall largely on Republicans. That is no longer the case [....]