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>> reporter: lubitzs medical history and what germanwings and lufthansa knew about it will play an important role in the investigation. >> every pilot learns during his training and i always say as an aviation doctor, theres anything wrong with you, please contact me. do not hide physical or psychological illnesses. >> pamela joins us from dusseldorf, and it seems that there is a lot that we dont know. >> reporter: absolutely, anderson. a lot of unanswered questions. publicly, officials are only...

Youre be right about that. >> luke, the president initially made the comments to the des moines register because they were off the record, a moment of unguarded honesty. hes contended that the republican fever will break and deal making possible in 2013 if he is re-elected. your assessment of that? can he get it done? if he wants to. >> oh, sure. i think if you look into those comments and other things, there would be some savings in health care reforms. to me the bell that went off is medicare....