May 20, 2013 — There is one place in the country where a law enforcement agency can trace a gun found at a crime scene back to a buyer: the ATF's National Tracing Center in West Virginia. But the tracing process is usually tedious, involving multiple phone calls and searching, by hand, through paper records.

May 20, 2013 — Shunning the formalities of his office and focusing on poverty, Pope Francis is drawing a sharp contrast between his 2-month-old papacy and those of his predecessors.

May 20, 2013 — The IRS gave some conservative groups extra, improper scrutiny. Now there's a bipartisan request for the IRS to answer dozens of questions. Read the queries and demands for information from the top Democrat and top Republican on the Senate Finance Committee.

May 20, 2013 — The screenwriter, producer, director and actor, whose name has become synonymous with American comedy, talks about his penchant for spoofs and his decades-long friendship with Carl Reiner. Brooks, who is among a handful of people who've won Emmy, Grammy, Oscar and Tony awards, is the subject of a new documentary on PBS.

May 20, 2013 — What do you do when you can't openly wage a campaign for the presidency? Some Iranians inside and outside the country have turned to the heroine of an online graphic novel who has embarked on a virtual campaign.