This is an open thread to discuss the results of Michigan and Arizona primaries.

Update: Romney has been declared the winner in Arizona.

WASHINGTON (AP) — Mitt Romney coasted to victory in the Arizona primary Tuesday night and vied with rival Rick Santorum for supremacy in Michigan in a Republican presidential race as unsettled as the day it began.

Two other candidates, Newt Gingrich and Ron Paul, made little effort in either state, pointing instead to next week’s 10-state collection of Super Tuesday primaries and caucuses.

Michigan is currently neck and neck.

Update II: Here are the current results in Michigan.