the Rubicon

Much of the search focused on the Rubicon trail, a 22-mile route in the Sierra Nevada, west of Lake Tahoe.

“Once we get to that point, that is certainly, we would have crossed the Rubicon. Is that a red line? Almost certainly it's going to be a red line.”

If Moscow is allowing North Korea to use Russian banks or is releasing frozen assets, the government will have “crossed the Rubicon of willingness to deal with North Korea and to be a financial and commercial rogue,” said Juan C. Zarate, a former assistant Treasury secretary and expert on financial crimes.

In a Friday afternoon announcement, the Biden Administration crossed the Rubicon when it said that it would seek the death penalty in the case of Payton Gendron.

“I am here today to surrender to an indictment that should never have been brought. It represents a crossing of the Rubicon for our country, implicating the fundamental First Amendment right to petition the government for redress of grievances,” Eastman said in a statement.