Pbs: News Hour Extra: 'To Kill a Mockingbird' Actors: Photograph

Photograph of President Barack Obama speaking from the podium.

Color photograph of a female teacher talking to a group of students in a classroom.

An image of a young girl looking for her belongings after the heavy rains caused flooding in Haiti following the 2010 Earthquake

Book cover of Eager to Learn by The National Research Council's Committee on Early Childhood Pedagogy, edited by T. Bowman, M. Suzanne Donovan, and M. Susan Burns, copyright 2000.

A mosquito bites a human.

A newspaper photograph of Dr. Martin Luther King Jr., taken during a 1964 press conference.

A black and white drawing of a man sitting in a paper airplane reading a newspaper witht he word "news" written around him.

Photograph of computer scientist Alan Turing.

An image of the inadequate shelters constructed to protect Haiti's population from the heavy rain that followed the 2010 Earthquake

A color photograph by Tony Newlin of lightning streaking from the sky to the ground, trees, and houses below.