“. . . people have to choose when they believe life begins. There are questions about this drug on that issue.”
Um, actually, there aren’t. Plan B prevents about five times as many abortions as it causes, even if you assume human life begins at conception.
And any pharmacist who considers it a duty to refuse to stock Plan B because in rare cases it causes a fertilized egg not to implant in the uterus is duty-bound to also banish birth control pills, which occasionally do the same thing.