I'm aware now over the last 5 or 10 years that when you do an accent, you really have to kind of get down to the nitty gritty and go into the phonetics of it, if necessary. Find out not just the sounds but the rhythms and the music - or lack thereof - in a particular accent.
“Our American heritage is greater than any one of us. It can express itself in very homely truths; in the end it can lift up our eyes beyond the glow in the sunset skies.”