Talks on forming a new Danish government are in stalemate one month on from the country’s parliamentary election, slowing decision-making amid efforts to resolve a crisis in ties with US President Donald Trump’s administration over Greenland. Caretaker Prime Minister Mette Frederiksen, armed with a royal mandate, is leading coalition talks among the 12 parties in parliament but has so far only won support from left-wing groups, which is not enough to secure a parliamentary...