“An American in Paris”

By ALAN SMASON, Theatre Critic, WYES-TV (“Steppin’ Out”) When ballet stars Robert Fairchild and Leanne Cope began their roles as expatriate American artist Jerry Mulligan and native Parisian ballerina Lise Dassin, they had no way of knowing their performances would last for most of three years as they opened first in Paris in 2014, transferred to…