The issue has been 'lurking/waiting in the wings' [=it has been waiting to be dealt with] for several years.
He's known as a comic actor, but he's 'spreading his wings' and trying a serious role in his new movie.
His nomination is supported by the party's 'left wing' but opposed by the right wing.
(..) I'll figure something out. Come on, donkey. Almost there. What is it? It's your legs, Ivar. It's your wings. Is it really for me? Woo! Bjorn. Where's Lagertha? She has gone to Hedeby. (..)2017 TvShow: Vikings Title: The Great Army Season: 4 Episode 17