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.
(..) Dialogue: Marked=..,Default,NTP,!Effect,We're looking for a big old fashioned one.\NProbably rusty like the handle. Dialogue: Marked=..,Default,NTP,!Effect,There! l see it!\NThe one with the broken wing. Dialogue: Marked=..,Default,NTP,!Effect,What's wrong, Harry? (..)2001 Harry Potter and the Sorcerer's Stone
(..) Dialogue: Marked=..,Default,NTP,!Effect,Neville! Dialogue: Marked=..,Default,NTP,!Effect,Oh, dear, it's a broken wrist.\NPoor boy. Come on now, up you get. Dialogue: Marked=..,Default,NTP,!Effect,Everyone's to keep their feet firmly on the ground\Nwhile l take Mr Longbottom to the hospital wing. (..)2001 Harry Potter and the Sorcerer's Stone