U.S. President Barack Obama had urged Iran to commit to freezing, or even rolling back, its nuclear program for at least a decade.
Federal regulations had required Clinton to preserve a record of emails sent or received using her personal account.
The 32-year-old prince has attracted much interest in China since his childhood.
The lawsuit alleges that the oil giant wrongfully acquired over $33 million from a state fund in a process known as “double dipping.”
The move contradicts Google's earlier statements, when it said that the latest Android smartphones would be fully encrypted.
The Indian foreign secretary's visit to Islamabad is seen as a prelude to a possible resumption of talks between the two neighbors.
Previous studies on their effectiveness had focused mostly on wealthier white subjects, but this one looked across race and income groups.