Beijing starts car ban in Olympics clean-air drive   Japan set to give nationality to illegitimate children: report   Favre sticks to script, declines to address rift   "Hot" Mexican musical genre picks up steam in U.S.   Brazilian FM's Nazi reference rocks WTO talks   `Dark Knight' sets box office record with $66.4M   Colombia and Brazil enter into military pact   Tropical Storm Cristobal rumbles off the Carolinas   Pope flies over sea of young pilgrims   2ND LD: Japan wants 8% of farm products exempt from big tariff cuts: minister+   Prosecutors to build case against gov't-linked group exec+   Coles, Flanagan share US Bank lead   Investigation of Houston crane collapse begins   ADVISORY - Start of KWS news cycle for July 20+   Mexico awards highest honor to Sen. Kennedy   Cells from humans grow blood vessels in mice: study   Brazilian police recover Picasso print, nab suspect   Dwarf planet near Pluto named for Polynesian god   Brazilian director swaps Saramago for Shakespeare   In Afghanistan, Obama visits troops and officials