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A case for loss of momemtum could be made after Obama losing big in PR, KY and WV. But he did well in OR, and of the national tracking polls shows his lead increasing:
http://www.gallup.com/poll/107626/Gallup-Daily-Both-Democrats-About-Even-McCain.aspx
Other polls show Obama building support in states in CA.
On the foreign policy front, Obama is also finding support:
http://www.gallup.com/poll/107617/Americans-Favor-President-Meeting-US-Enemies.aspx
You guys may be right, but a lot of people seem to disagree.