Media Bubble: My Network? No, Rupe's Network.

• Say hello to News Corp.'s new My Network TV, a network for stations orphaned by the UPN-WB deal and what's sure the be the place to turn for shows not quite good enough to make one of those two flailing former networks. [NYT]
• Bob Schieffer is a folksy country doctor who performs with backup singers. [NYT]
• Those…