No it's not Keith Olbermann-Bill O'Reilly or Conan O'Brien-Ted Koppel (who seem to have their feud settled). This one stays in house.

This morning on the Today show, Matt Lauer revealed the latest in his ongoing feud with Late Night's O'Brien, which apparently has been simmering for a few weeks.

During the 7amET hour, a clip from last night's Late Night was shown, featuring Lauer's proficiency with a blowgun.

"The feud continues," said Lauer. As do the dog days of summer...

Click continued to see the clip...