Beth Comstock is heading back to the GE hen house after a quick stint as NBC's "integrated media" chief. After a disastrous move buying iVillage.com for $600 million, then wasting even more cash on its barely-watched TV spin-off, Beth is said to be returning to the corporate mothership as chief marketing officer, where her expertise in marketing will help steer the 2008 Olympics. Turns out, there's more involved than endless promos featuring NBC's logo attached to the Olympic rings. [NYP]