Like David Gregory before her, Andrea Mitchell is being accused by insiders of big footing a colleague to serve her own agenda.

Mitchell is said to have lobbied NBC Nightly News executive producer Alexandra Wallace to let her cover Barack Obama's overseas trip next week to Europe, Iraq, and Afghanistan, despite the fact that Lee Cowan — yes, that Lee Cowan — has been covering Obama's campaign since he began running for president. It's a classic Mitchell "big foot," we're told by one NBC source who's provided accurate information in the past, and has angered folks at NBC's political desk, news desk, and elsewhere.

CONTINUED »