In the wide-ranging interview, Obama also hit back at rival Clinton's recent claims that he is standing in the way of revotes in Florida and Michigan.

CNN: Obama: Wright flap has 'shaken me up'

Pelosi's decision to refuse to sign on to Weinstein's proposal for revotes in Florida and Michigan -- which were stripped of their delegates by the Democratic National Committee for moving up their primary dates -- is likely to further irk Clinton allies who have charged that the speaker has been tilting her support to Obama.

CNN: Sources: Clinton supporter pressures Pelosi