2010/10/29 Headlines: Panel: BP, Halliburton Ignored Cement Flaws; US Intelligence Spending Tops $80.1B; Audit: US Can't Account for $17.7B in Afghan Spending; Inquiry: Pentagon Official Misled on Spy Program; Tsunami Death Toll Tops 400 in Indonesia; Argentines, Foreign Leaders Mourn Kirchner at Wake; Mexican Youths Protest Drug Killings; North Korea, South Korea Exchange Fire on Border; Report: Prison Industry Helped Draft Arizona Anti-Immigrant Law; Poll: Latinos See Widespread Discrimination; US Life Expectancy Falls to 49th; Clinton Pressures Meek to Drop Senate Bid