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Karri Zaremba, Major League Baseball’s senior vice president of product, said Go-Ahead entry had been in the works for more than two years.

“I think that was the turning point for me,” explains Karri DiPetrillo, an experimental physicist at the University of Chicago.

For one of her talks, DiPetrillo includes a morbidly humorous time line: The year 2060 is marked with “Karri retires?”

And at 2070—years before the FCC’s proton start—a mordant label reads, “Karri dies???”

Karri Ryder said her 24-year-old daughter had started using fentanyl, a highly potent synthetic opioid.