Lawrence Lessig, Sue Gardner and others explain how and why American broadcast news became increasingly polarized.

Walter Cronkite and guest at the 2006 Tribeca Film Festival Vanity Fair Party at State Supreme Courthouse in New York, New York on April 26, 2006. (Footage by WireImage Video/Getty Images)

Celebrity Profile: Walter Cronkite (Footage by Getty Images)

Walter Cronkite and guest at the Metropolitan Opera Season Opens With a Star-Studded Red Carpet at Lincoln Center in New York, New York on September 24, 2007. (Footage by WireImage Video/Getty Images)

2009 Celebrity Memorial

Walter Cronkite at the Opening Party for Le Cirque at Le Cirque in New York, New York on May 18, 2006. (Footage by WireImage Video/Getty Images)

Walter Cronkite at the Opening Party for Le Cirque at Le Cirque in New York, New York on May 18, 2006. (Footage by WireImage Video/Getty Images)

Walter Cronkite and guest at the Opening Party for Le Cirque at Le Cirque in New York, New York on May 18, 2006. (Footage by WireImage Video/Getty Images)

CLEAN-NO MUSIC/GRAPHICS: 2009 Celebrity Memorial

GOSSIP COLUMNIST LIZ SMITH DIES AT 94

Liz Smith, the syndicated gossip columnist whose mixture of banter, barbs, and bon mots about the glitterati helped her climb the A-list as high as many of the...

FOR CLEAN VERSION SEE STORY NUMBER: apus012328

((NATS from 1964 newsr
eel))
"Now in the summer of 1964 the civil rights act is the law of t
he land."
(NATS - President Johnson calls for all...

Nov.08 -- TPG Co-CEO Jim Coulter presents his thoughts on the future of global markets at The Year Ahead Summit at Bloomberg headquarters in New York.

Orbiting above Earth

1. Astronaut outside lifting
hatch
2. Helmet camera on Mission Specialist Tim Kopra as he first leaves spa
ce station
3. Space station's robotic arm removing...

UNIVERSITIES REVOKE JOURNALISM AWARDS GIVEN TO CHARLIE ROSE

Charlie Rose, who was fired this week by CBS News and whose program was canceled by PBS in the wake of sexual misconduct allegations...

AP Television

Colombo - 19 March
2008
1. Mourners gathered at Arthur C Clarke's house to pay their last respects, man on left is Clarke's business partner and guardian Hector...

English/Nat

NASA, the U-S Space Agency, arranged a live broadcast with the multi-national and multi-generational crew of the Space Shuttle Discovery on Wedne
sday.
During the broadcast,...

HEADLINE: Obama remembers Walter Cronkite

CAPTION: President Barack Obama on Friday praised Walter Cronkite as a journalistic icon, calling the CBS anchor the "voice of certainty in an uncertain world," who will be truly missed....

HEADLINE: Andy Rooney: Cronkite 'was such a good friend'

CAPTION: Private funeral services were held Thursday for CBS legend Walter Cronkite. Speakers included former colleague and '60 Minutes' commentator Andy Rooney, who...

AP Television

1. Exterior tilt down of St Bartholomew's c
hurch
New York, 23
July 2009
2. Walter Cronkite's casket being brou
ght into church
3. ABC journalists Charles Gibson and...

English/Nat

An actor-comedian, a former child star-turned-diplomat, a composer, a song writing team and a country-and-western star are sharing the 21st annual Kennedy Centre hon
ours.
The...

File: AP Television

Sri Lanka - 16 December
2007
1. Science fiction writer Sir Arthur C. Clarke being wheeled into surprise birthday party thrown by his friends at his Col
ombo home
2. Tilt down...

London, UK - September 2005

1. Harrods Ext
erior
2. Launch of Robosapien V2 with inventor M
ark Tild
en
3. Crow
d
4. Mark Tilden/>5. Pan up of Robosapien
6. Tilden
testing...

CNN ANCHOR ANDERSON COOPER TO RECEIVE WALTER CRONKITE AWARD

Arizona State University is awarding its 2018 Walter Cronkite Award for Excellence in Journalism to CNN anchor Anderson Co
oper.
...

AP Television

New York, 1st November
2006
1. WS exterior of Essex H
ouse Hotel
2. MS George Clooney entrance with
Walter Cronkite
3. SOUNDBITE (English) Rev. Welton Gaddy, President, The I
nterfaith...