US President Donald Trump has rejected an Iranian counterproposal to a peace plan previously conveyed via Pakistani intermediaries. The back-and-forth has so far resulted a deadlock in which neither party appears to be willing to budge. Although active fighting was paused under a fragile ceasefire last month, both Washington and Tehran continue to rely on economic leverage to force concessions. Iran submitted its 14-point proposal late Thursday last week, reiterating its conditions for ending the standoff, as described by Iranian news outlet Tasnim. Speaking to Israel’s Kan News on Sunday, Trump said he reviewed the proposal and considers it unacceptable. Trump had hinted at this stance on social media, writing that Iran “has not yet paid a big enough price for what they have done to Humanity, and the World, over the last 47 years.” The US proposal, which is said to consist of nine points, called for the ceasefire to be extended by two months.…