A member of Iran's Islamic Revolutionary Guard Corps at a military training center for ordinary citizens at Tajrish Square in Tehran, Iran, on November 2. - Majid Asgaripour/WANA/Reuters

US President Donald Trump has offered his clearest indication yet that intensified diplomacy could avert another major round of fighting with Iran, in the wake of his party’s disastrous midterm election results.

Trump told CNN on Sunday that renewed US military attacks are “highly unlikely” if Tehran makes pr...