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.
(..) For learning. Oh. Okay. The thrust comes from this kind of crossbow doohickey here. Then it shoots along the track until the wind catches the wings. But how does it go? Huh? How do you take off? Oh, you just pull down that lever. (..)2014 Mr. Peabody & Sherman