Cameron Hamilton, who briefly led the agency on an acting basis last year but was fired for contradicting the president, also said he would get money out to states faster.

Cameron Hamilton, who briefly led the agency on an acting basis last year but was fired for contradicting the president, also said he would get money out to states faster.

© Mariam Zuhaib/Associated Press

Amy McGovern was the director of an A.I. institute dedicated to weather forecasting — until the National Science Foundation ended its funding.

The biggest episodes of the past have altered the course of human events, according to researchers. An emerging one is drawing historic comparisons.

© Dea/Biblioteca Ambrosiana, via Getty Images