WARSAW( Reuters)-Polish farmers blocked two border crossings with Germany on Monday, local police said, as protests against European Union environmental regulations and cheap imports sweep the bloc. Farmers in Poland and across the EU have been calling for changes to restrictions placed on them by the EU's Green Deal plan to tackle climate change, and for the re-imposition of customs duties on imports of agricultural products from Ukraine that were waived after Russia's invasion in 2022. The Eur