What comes next for Europe with the transatlantic alliance in tatters? Guardian Europe editor Jon Henley will be answering readers’ questions live here from 12pm GMT. Join us then and post your questions and comments nowSign up for a Guardian account hereToday’s opening of the Munich Security Conference marks a year since JD Vance’s blistering attack on European leaders signalled the start of a new world order – and huge questions for Europe about its future.Writing in the This Is Europe newsletter this week, Jon described this as Europe’s moment of reckoning as it faces what Emmanuel Macron called a “tsunami” of competition from China and a US that is “openly anti-European”.Munich Security Conference: Rubio flies in amid testing times for US-Europe ties – liveGerman chancellor Friedrich Merz among key figures to speak as three-day security gathering opensDemocrats at Munich security summit to urge Europe to stand up to TrumpEuropean leaders divided over how far to accommodate Trump’s ...