The U.S. Navy is planning to ramp up training activities off California and Hawaii. But that has rekindled a battle over Navy sonar, which is known to harm marine mammals. From member station KQED, Lauren Sommer reports.
LAUREN SOMMER, BYLINE: We humans are visual creatures and for good reason. If someone is far away, you can usually see them before you hear them. Underwater, it's the opposite.
BRANDON SOUTHALL: The physical environment of the ocean really favors the use of sound, and the animals have evolved accordingly.
Last week, FBI investigators and a Watertown, Mass., police officer investigate the scene near the boat where bombing suspect Dzhokhar Tsarnaev was hiding. Democrats have argued that the way the government responded to the Boston attacks makes a case for not cutting too deeply.
President Obama has spoken at two memorial services in just over a week — one for victims of the Boston Marathon attack and one for those who died in the chemical plant explosions in West, Texas. In both speeches, he focused on victims and survivors.
But other Democrats are using these events to talk about another subject: the role of government.