Link roundup

1. "A legal journey that was set off more than a decade ago with the shooting of unarmed citizens by police officers in the desperate days after Hurricane Katrina wound toward a close on Wednesday when five former officers pleaded guilty in federal court to conspiracy, obstruction of justice and civil rights charges."

the case would be undergo years of troubles and reversals, eventually becoming drawn into a scandal in the federal prosecutors’ office here that took down the local United States attorney.

2. Lemur demands a good scratch.

3. "The Entire World is Getting a New Polio Vaccine This Month"

After almost 30 years of trying, the move has the potential to finally stop any new cases of polio from occurring. But planners acknowledge that the move carries some risk: It could accidentally ignite an outbreak of the type of polio caused by the vaccine.