Reason Morning Links: Soda Tax Study, Newark Has a Murderless Month, Judge Deems NSA Wiretapping Illegal

• Study: Soda taxes don't cut down on consumption. But big soda taxes would!
• Newark was homicide free in March, the first time in 40 years the city has gone a calendar month without a murder.
• Federal judge says NSA warrantless wiretapping program was illegal.
• Obama offshore drilling plan collects critics from the left, mild support from the right.
• The online April Fool's pranks you won't see, but should.