Go back and watch it again.
When she talks about her campaign, she's the new Hillary -- the one who started winning primaries these last several months. She smiles. She seems friendly. I like that Hillary.
But when she talks about Obama, she frowns. Her words say she loves him -- but her eyes betray her. All of a sudden, she's the old Hillary; mean and angry. When it comes to praising Obama, she's just going through the motions.
The differences are stark.