1. Hillary Clinton Hangs with Sonia Sotomayor at Costco

• Supreme Court Justice Sonia Sotomayor stopped by the busiest Costco in America Saturday morning to get her book signed by Hillary Clinton. Clinton was at Costco hawking copies of her new memoir, "Hard Choices." Clinton told Sotomayor, "I don't believe this, I'm so glad to see you."
• See the pics here.

2. Iraq

• After days of inaction, the Iraqi Ministry of Defense began fighting back against the militant group ISIS this weekend. Iraq conducted aerial strikes targeting ISIS outside of Baghdad, and hundreds of men volunteered to help defend Baghdad from ISIS.
• Meanwhile, images released on social media and purportedly distributed by ISIS show what they say are executions of Iraqi soldiers they have captured. The images are very graphic and show many Iraqi soldiers at the hands of ISIS.
• Read more here.

3. Casey Kasem

• Legendary radio DJ Casey Kasem died Sunday at the age of 82. He hosted the "American Top 40? and other countdown shows for more than 40 years, and ended every program with his trademark signoff: "Keep your feet on the ground and keep reaching for the stars."
• Read the obit here.

4. Sports: World Cup, Stanley Cup, US Open, NBA Finals

• The first weekend of the World Cup has seen explosive play. Costa Rico upset Uruguay, Italy defeated England, the Ivory Coast came back for a 2-1 victory against Japan, and Switzerland won at the last second against Ecuador. Check out all the World Cup coverage as it continues this week.
• Elsewhere, the Los Angeles Kings beat the New York Rangers for the Stanley Cup.
• Martin Kaymer won the U.S. Open golf tournament, one of the sport's four majors
• And the San Antonio Spurs defeated the Miami Heat in the NBA finals, clinching the title with Sunday's Game 5 win.

5. The Queen Turns 88 - Officially

• England's Queen Elizabeth II celebrated her 88th birthday this weekend with the annual Trooping the Color parade through London. The queen turned 88 in April, but the occasion was celebrated Saturday. More than 1,000 soldiers wore ceremonial dress, including bearskin hats, for the event.
• Princes William and Charles rode the parade on horseback, while Kate Middleton rode in a carriage with Camilla.