"I do not endorse actions that move Boston and our nation into a police state mentality, with surveillance cameras attached to every light pole in the city, " Commissioner Edward Davis said in prepared remarks for the House Homeland Security Committee.

NPR: Top Boston Cop To Discuss Bombings With Congress

Many don't have the resources to fight lengthy and costly litigation, and move to quickly settle these actions or sign confidentiality agreements, say intellectual-property experts.

WSJ: Startups' Secret: More Are Facing Patent Suits

They asked experts around the world to estimate the costs of conservation actions required to move them down the IUCN list of those at greatest threat.

BBC: Science & Environment