Corey Dade

What to say about Newt Gingrich that Newt Gingrich hasn't already said about Newt Gingrich?

Employing his admittedly "grandiose" ideas, Gingrich said all that he could to will his candidacy for president past low expectations. He arguably did, managing to resurrect his political career (at least temporarily), help focus the zeitgeist of conservative voters and even briefly wear the mantle of front-runner.

At a press conference in Tulsa, Okla., following the targeted shootings of five African-Americans last week, the optics were as important as the substance of the news.

The mayor and police chief pleaded for the public's help in capturing the suspects, while behind those two white men stood a pair of Tulsa's most influential black leaders — the lone African-American member of the City Council and the president of the local NAACP.

The parents of slain Florida teenager Trayvon Martin have been in Washington, D.C., the past two days, meeting with Democratic lawmakers and pleading for the arrest of George Zimmerman, the Sanford, Fla., neighborhood watch volunteer who shot their son.

I talked today with the boy's father, Tracy Martin, 45, about the whirlwind of attention the case has drawn, the latest claims made about his son's role in the Feb. 26 incident in Sanford and his hopes for an arrest.

The fatal shooting in Florida of an unarmed black teenager at the hand of a neighborhood watch captain has ignited national furor over racial profiling and vigilante justice.

Many details remain unknown about Sunday's shooting in southern Afghanistan, where a U.S. Army sergeant is suspected of walking through villages near Kandahar and killing 16 Afghan civilians.

But the shooting has raised the specter of reprisals against American troops and also led to questions about how much damage it could cause to the larger American war effort in Afghanistan.

Here's a look at what is, and isn't, known so far.

The Suspect