Washington—House Judiciary Committee chairman John Conyers (D-Mich.) is shaking up a subcommittee that would have been an important stop in the cable industry's effort next year to get Congress to focus on whether TV stations are demanding too much cash from cable operators as a condition of carriage.img src="http://feeds.feedburner.com/~r/MultichannelBreakingNews/~4/451235462" height="1" width="1"/