11/09/2008 05:12 am ET | Updated May 25, 2011

Whales Vs. Military: Not Looking Good For The Whales

WASHINGTON -- On the one hand, there is "the potential for harm to marine mammals," Chief Justice John G. Roberts Jr. said Wednesday at a Supreme Court argument over the Navy's use of sonar in training exercises off the coast of Southern California.

On the other, the chief justice continued, there is "the potential that a North Korean diesel electric submarine will get within range of Pearl Harbor undetected" if Navy personnel are not properly trained in the use of sonar.

"Now, I think that's a pretty clear balance," Chief Justice Roberts said.