Sir Iain Duncan Smith is being earmarked as a potential interim Tory leader as MPs hope to hold a lengthy “contritition” contest to select Rishi Sunak’s successor, Conservative insiders have told GB News. The Conservative Party look set to hold yet another leadership contest after Sunak’s Tories were given a damning verdict from voters on July 4. Labour entered power after winning 412 seats, with Reform UK costing dozens of Conservative candidates and returning five MPs. The situation, made worse by a Liberal Democrat surge in the Blue Wall, leaves Conservative figures pondering about what dir…