DVRs squeeze TV's late shift.

WE'RE ACCUSTOMED TO BEING faced with either/or choices. Republican or Democrat. Paper or plastic. Angelina or Jen.

In television, however, don't underestimate the impact of a ballot with an option for "both of the above"--and the difficulty that continues to augur for a still-endangered species, the 10 o'clock drama.

Out of curiosity, I asked one network research team to run numbers on overlapping viewership between ABC's "Lost" and Fox's "Glee," which went head to head for the past six weeks Tuesdays at 9 p.m.

They were able to provide this data for the Fox show's April 13 return: Nearly 10 million people watched "Lost" that night, 13.7 million tuned in "Glee," and …