Obama in Portland, Ore. at a record-setting rally on Sunday. (Courtesy of the AP) Portland, Oregon showed it was truly Obama country during a rally on Sunday, where an estimated 75,000 people showed up to hear the candidate speak at Tom McCall Waterfront Park, on the bank of the Willamette River. The photos of Obama--an ant amidst a sea of people--must be sending chills down the Clinton campaign's collective spine. The 75,000 strong crowd doubled......