RIYADH (Reuters) - A senior al Qaeda militant orchestrated the bombing of a residential compound in Saudi Arabia earlier this month by telephone from Iran, a Saudi newspaper says. Okaz newspaper, quoting informed sources on Sunday, said the militant network's security chief Saif al-Adel gave orders for the attack in the capital Riyadh by satellite phone. Neither Saudi nor Iranian officials were immediately available to comment on the Okaz report. "The sources said Saif al-Adel led the bombing operation of the Muhaya residential compound, using a Thuraya phone to give instructions to the terrorists in the kingdom who carried out...