title: A tale of two states.
authors.affiliation: Mandë Holford is an associate professor in the Department of Chemistry and Biochemistry at Hunter College and a research associate at the American Museum of Natural History, New York, NY. mholford@hunter.cuny.edu.
authors.forename: Mandë
authors.initials: M
authors.lastname: Holford
authors.affiliation: Rodney Nichols is vice chair of the board at CRDF Global, Arlington, VA, and executive vice president emeritus at The Rockefeller University, New York, NY. Rodney.nichols12@gmail.com.
authors.forename: Rodney
authors.initials: R
authors.lastname: Nichols