There was a time, in the aftermath of the financial crisis, when central bankers were “the only game in town.” In a book with that title, published in January 2016, economist Mohamed El-Erian warned that, with their exotic crisis-fighting measures —zero interest rates, quantitative easing, forward guidance — the central bankers risked over-reaching.

California senator and presidential candidate Kamala Harris just released her “Medicare for All” plan. Some claim her plan, which retains private insurance, is better than Bernie Sanders’s plan, which eliminates private insurance. But the economics of Harris’s plan shows that private insurance has no significant role in “Medicare for All,” even if it is advertised that way.

Half of the Democratic 20-person primary field in the debates appeared unhappy, shrill, and self-righteous, and determined that no candidate should out-left any other.

Numeracy Matters. Yesterday, science writer Neil deGrasse Tyson tweeted: In the past 48hrs, the USA horrifically lost 34 people to mass shootings. 

Entrepreneurs do a much better job than politicians at alleviating scarcity through efficient, value-creating production.

The California Education Department’s model Ethnic Studies Curriculum plans to teach children capitalism is a “system of power” and “oppression,” equal to “white supremacy,” “patriarchy,” and “racism.”

Bravo to the Los Angeles Time editorial writers for coming down against the one-sided proposal on how to teach California students “ethnic studies.” The Times editorial follows by a few days an op-ed in the Wall Street Journal by Williamson M. Evers, a research fellow at the Hoover Institution at Stanford University, which hit the proposal equally as hard.