Plot: 2010/06/29 Headlines: Supreme Court Nominee Elena Kagan Vows to Be Impartial; Republicans Criticize Kagan's Ties to Thurgood Marshall; Sen. Leahy: Kagan Is Well Within the Legal Mainstream; Court Strikes Down Chicago Handgun Ban; Court: Christian Group Can't Bar Gay Members; 1,000 Protest in Toronto Against Police Crackdown During G20; FBI Arrests 11 Alleged Russian Spies; US Launches Major Offensive Near Afghan-Pakistan Border; 10 Killed in US Drone Strike in Pakistan; Report Raises Doubts About Readiness of Afghan Forces; Rep