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.
(..) Beat your wings Lest you succumb to the rain From the dark into the light... The dark into the light The dark, dark, dark... There it is... I see... I'm through... (..)2014 The Dark Horse