The most newsworthy exchange in the most recent Democratic presidential debate was one that didn’t get a lot of attention.

It came when Bernie Sanders challenged Hillary Clinton to join him in promising to apply the Social Security payroll tax to income more than $250,000 a year.

“I think it’s fair to say we don’t have a disagreement,” Mrs. Clinton replied. Then she explained further,

We both believe there has to be more money going into the Social Security system. I’ve said I’m looking at a couple of different ways, one which you mentioned, Senator, but also trying to expand the existing tax to passive income that wealthy people have so that we do get more revenue into the Social Security Trust Fund.

Senator Sanders pressed the issue, and Mrs. Clinton replied, “I’m going to come up with the best way forward. We’re going to end up in the same place. We’re going to get more revenue.”

There are two pieces of Mrs. Clinton’s answer to watch: the timing and the tax.

Read the full article at CapX: Hillary hides her huge tax hike plans