Megan Mullally and Nick Offerman are having a ball staging the new musical “Iceboy!” — even if his songs got cut

Spoiler alert: Actors Nick Offerman and Megan Mullally are in love. Perhaps that shouldn’t be surprising, as the celebrity duo have been in a very public marriage for 26 years. In the new world premiere musical “IceBoy!” opening June 20 at the Goodman Theatre, the two don’t couple up — unlike their...