5 Things to Know This Morning

April 12, 2013— -- Your look at the five biggest and most buzz-worthy stories of the morning.

1. Kerry Calls N. Korea's Rhetoric 'Unacceptable'

U.S. Secretary of State John Kerry arrived in South Korea this morning, amid speculation that North Korea may have obtained capabilities to launch a mid-range missile designed to reach as far as the U.S. territory of Guam.

2. Explosive Device Sent to Sheriff Arpaio's Office, Police Say

Arizona Police intercepted a package containing an explosive device that was addressed to Maricopa County Sheriff Joe Arpaio, after a Flagstaff postal worker thought the package addressed to the sheriff seemed "suspicious."

3. Fresh Controversy Surrounding Guantanamo Bay

The military justice system at Guantanamo Bay, Cuba, which has been dogged by charges of secret monitoring of proceedings and defense communications, became embroiled in a fresh controversy Thursday when it was revealed that hundreds of thousands of defense e-mails were turned over to the prosecution.

4. French Senate Backs Same-Sex Marriage

The French Senate has voted to legalize same-sex marriage in France, putting a landmark bill, which also grants the right of same-sex couples to adopt children, on track to become law by summer, despite severe protests of the fervent Roman Catholics.

5. Tom Cruise Visits With Jimmy Kimmel

Tom Cruise appeared on "Jimmy Kimmel Live!" and revealed he has just learned that his ancestors can be traced back to 9th century Ireland and once ruled the land.