Mark Memmott

The latest news about 29-year-old Edward Snowden and the secrets he has revealed about the nation's surveillance programs includes:

Update at 8:42 p.m. ET. Unrest May Continue All Night:

As Tuesday night wore into Wednesday morning, Turkish riot police were clashing with demonstrators in Istanbul's Taksim Square. Barrages of tear gas were fired into the square, where several fires burned on vehicles and other material. Some protesters were equipped with gas masks.

Speaking on television Tuesday, Prime Minister Tayyip Erdogan said he will not bend to the protesters' demands. Here's a portion of that speech, from the BBC:

"Thanks for the inspiration @ASmith83 & @Sllambe - I'll take it from here... #tweetsfromhillary"

With that bit of social media swagger on Monday, @HillaryClinton joined Twitter.

Edward Snowden, the former CIA and Booz Allen computer security technician who says he leaked information about National Security Agency surveillance programs, has told The Guardian that he wants "to seek asylum in a country with shared values

There's no big news again today from the U.S. Supreme Court — which is sort-of big news in itself because it means we're still waiting for the justices' decisions on these major cases:

-- Fisher v. University of Texas, a key test of affirmative action in higher education.

Good morning.

Our early headlines:

-- Who Is Edward Snowden, The NSA Leaker?

-- Trayvon Martin Killing: 2 Sides Want Very Different Jurors.

Nearly 16 months after the shooting death of African-American teenager Trayvon Martin in Sanford, Fla., the man charged with second-degree murder is due in court Monday for the start of his trial.

Edward Snowden, the 29-year-old former CIA technical assistant who has stepped forward to say he's the source of explosive leaks about government surveillance programs was among "thousands upon thousands" of such analysts hired to manage and sift through "huge amounts of data," NPR's Tom Gjelten

There's been an arrest by federal authorities who are trying to track down the person responsible for last month mailing possibly ricin-laced letters to President Obama, New York City Mayor Michael Bloomberg and a gun control group the mayor supports.