Pacific Northwest English
A local NPR story (audio and text) on the Pacific Northwest Accent, profiling the research of Alicia Wassink and colleagues at the University of Washington. [Published on 12-11-2014]
A 2013 Portland Monthly article on recent research that the California Vowel Shift is used in Oregon English.
A blog post that includes a clip of Bill Gates, a native of Washington state, and attempts to dissect his Pacific Northwest accent.