Norway will open talks with France on joining its nuclear umbrella, French President Emmanuel Macron and Norwegian Prime Minister Jonas Gahr Stoere said on Wednesday, reflecting growing European concerns about relying on the US for security.The move signals a shift by Norway, long a staunch Atlanticist that has relied heavily on Nato and the US nuclear umbrella, towards closer defence cooperation within Europe.Macron and Stoere announced the plan at a meeting in Paris, where they also...