"Worried sick". They are not the words a prime minister wants to be using from the Downing Street podium to describe the emotional state of their country. Sir Keir Starmer identified three ways in which the public are worrying: about their family and friends, about the impact of this war on the British economy, and about the potential for greater escalation. This press conference appeared to be primarily for the purpose of reassuring Britons. But - as he acknowledged - there was only so much reassurance he could offer. For those with family and friends stranded in the Middle East, the prime minister sought to manage expectations. He announced that the repatriation flight from Oman that was meant to take off on Wednesday but was scuppered by technical issues is now in the air, and around 4,000 Britons had already made it home. However, that is just a tiny fraction of the 140,000 British nationals who have told the government they are in the Middle East.…