Overview: 2013/09/19 Headlines: Iranian President Welcomes "Positive" Obama Letter, Rejects Nukes; Ayatollah Khamenei: "No One Should Have Nuclear Weapons"; Iran Releases Political Prisoners Ahead of U.N. General Assembly; Assad: U.S. Threats Didn't Trigger Move on Chemical Weapons; Ex-Pentagon Chiefs Criticize Obama on Syria; Oxfam: Richest Nations Giving Less Than Half Their "Fair Share" for Syria Aid; GOP Ties Government Funding, Debt Limit to Obamacare Repeal; Fed Continues $85 Billion Stimulus Purchases; Flooding Causes Oil Leak in Colorado; Property Damage Nears $2 Billion; 80 Killed, Thousands Stranded in Mexico Floods; Arctic Sea Ice Hits Sixth-Lowest Mark; Greenpeace Activists Target Russian Oil Rig; Bahraini Opposition Suspends Talks With Monarchy; Jailed Canadians Launch Hunger Strike in Egypt; 7 Arrested in White House Protest Against Deportations