US may increase it's offer IF Delta can prove the stated value of $10-12B (down from an earlier $12B - $14B), which is expected in the Restructuring Plan due for public release on Tuesday.
http://www.marketwatch.com/News/Stor...e=b...amp;siteid=yhoo
http://www.marketwatch.com/News/Stor...e=b...amp;siteid=yhoo