Germany’s Constitutional Court was hearing several complaints on Tuesday against the European Union’s €800 billion ($812 billion) Covid-19 recovery fund. The fund is one of the EU’s most ambitious joint economic projects. It brings member states together to guarantee the issuance of joint debt by the European Commission on an unprecedented scale. The money will be raised on the capital markets and is to be repaid by the end of 2058 at the latest. Individual member states are to receive it in the form of loans and grants. They are to use the funds primarily for climate protection and digitaliza…