Washington (CNN) – Investment banker Roger Altman quietly slipped into the White House early Friday morning for a second round of meetings with top officials, fueling talk inside the administration that he may be on the inside track to replace Lawrence Summers as President Obama's senior economic adviser.

But I'm starting to pick up growing frustration from Democrats inside and outside the White House that the process to replace Summers is dragging on too long at a time when Obama is supposed to be focused like a laser on creating jobs. That could be hard to do when you don't have a new team in place.

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