direct to your inboxThe Prime Minister has said he wants this current lockdown to be the last.Boris Johnson called for people to be “optimistic but also patient” about the situation.But he admitted he could not give an “absolute cast iron guarantee” that further lockdowns wouldn’t be necessary in the future.The government will be hearing scientific evidence of the impact of lockdown and the UK's vaccination programme this week before setting out a 'road map' on February 22.The PM told a Downing