Congress to begin work on a bill the next president would be willing to sign.
Sir Hugh Orde also warns that threat from dissident Irish terrorists is highest in five years.
He criticized both parties and wants new pacts with Russia and China.
Readers write about disaster aid and extremists' viewpoints of US presidential candidates.
A critical IAEA report could spur a new round of sanctions. Iran maintains its enrichment program is peaceful.
They need to pick running mates with strong résumés.