The nations meeting in earthquake-devastated L'Aquila are also likely to consider what actions to take on Iran, North Korea.
Although President Obama has had difficulty convincing allies to take Gitmo detainees, Italy is eager to receive these inmates so that it can further its own investigation.
On his first trip to the country, the Libyan leader met with 700 women to discuss women's issues. Critics say it's thinly veiled machismo.
Qaddafi and Berlusconi are set to discuss energy and immigration deals, but a colonial past overhangs the meetings.
A record low turnout of only 43 percent of 375 million eligible voters pointed to skepticism about a more integrated Europe.
The Italian leader and media mogul is enraged by the photos. His lawyer is threatening a suit against El País, the newspaper that carried them.
Gardens and kids' bikes are small signs of an effort to create some normalcy in one of more than 170 encampments that house residents of L'Aquila, badly damaged by an April 6 quake.
In the midst of an economic crisis, Italy seem more occupied with the prime minister's alleged affair with a teenager than the July summit.
The economy is in tatters, he's been accused of having an affair with a teenager, and his wife announced her intentions to divorce in a newspaper, but Berlusconi's popularity remains strong.