If I could sum it up in a few choice words, I would, but instead I hem and haw, before stumbling through some rambling rejoinder.
They back away and hem and haw and leave it to the lower courts to implement their decisions.
"hesitate in speech," 1580s, imitative. Related: Hawed; hawing. The noun in this sense is from c.1600. Haw-haw "style of affected enunciation" is from 1841, imitative.