Washington D.C. The visit of US Vice President JD Vance to Pakistan has been cancelled. Vance was preparing to visit Pakistan for the second time this month.Reports indicated he was scheduled to arrive on Wednesday to attempt to finalize peace talks with Iranian officials. However, the White House has confirmed that Vance's upcoming visit has been cancelled.According to a US administration official, the White House will release further information regarding any new developments on direct meetings at a later time. The US delegation's visit was halted after Iran failed to send a team to Pakistan.This news comes at a time...