With the question of arms deliveries to Ukraine causing strains in Germany’s three-way coalition, the opposition is taking its political challenge to Chancellor Olaf Scholz up a notch. The conservative CDU/CSU bloc says it is planning a motion in parliament to call for heavier weapons – such as tanks – to be delivered directly to the Ukrainian armed forces. So far Scholz, from the centre-left Social Democrats (SPD), has held back from such a move, arguing that it would require close consultation with military allies, and that his focus was on providing arms that could make an immediate impact …