The problem you describe is classic for a broken window regulator. When you pull the latch, the excess cable slack in the broken assembly doesn't get taken up and the window doesn't drop enough to clear the top. When you open the top, I'll bet you find the window doesn't drop as much as the passenger side one does. The fix is to replace the regulator. There's another thread that discusses how to fix the problem without replacing the regulator but I don't have the link handy.
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