As part of our year-end wrap up, we are sharing the best Fresh Air interviews of 2012. This interview was originally broadcast on April 10, 2012.

Most pitchers in the majors stick to fastballs, curveballs, sliders and change-ups when facing batters at the plate.

Even as Air Force One was about to land in suburban Maryland this morning — bringing President Obama back from his vacation in Hawaii to resume negotiations aimed at avoiding the so-called fiscal cliff of automatic tax increases and spending cuts — Senate Majority Leader Harry Reid was on the floor of the Senate warning that a dive off that cliff seems inevitable.

Possible revisions to how the decennial census asks questions about race and ethnicity have raised concerns among some groups that any changes could reduce their population count and thus weaken their electoral clout.

The Census Bureau is considering numerous changes to the 2020 survey in an effort to improve the responses of minorities and more accurately classify Latino, Asian, Middle Eastern and multiracial populations.

Rocks.  Aired Dec. 27, 2012.

In the aftermath of Christmas, a parent could be forgiven for thinking that materialism has trumped human kindness.

Take heart. Children can easily become kinder and more helpful. And that behavior makes them more positive, more accepting and more popular.

At least that's how it worked for fourth- and fifth-graders in Vancouver, Canada. Researchers there have been studying empathy and altruism in schoolchildren for decades.

Lisa Jackson, administrator of the Environmental Protection Agency, is stepping down.

The Associated Press reports that:

American consumers aren't feeling quite as confident this month as they were in November.

The widely watched Consumer Confidence Index from the private Conference Board declined to 65.1 in December from 71.5 the month before. It also fell slightly in November from October.

(Note at 7 a.m. ET, Dec. 28: Lehane's Facebook page continues to post updates — and as of now, Tessa remains missing.)

Our original post:

Mystery writer Dennis Lehane is asking for help in solving a case that's very important to him:

Good morning.

Our early headlines:

-- Wintry Weather Blasting Northeast On Its Way Out.

-- Elder President Bush In Intensive Care.