Developers of Richmond’s Diamond District project have been thrown a legal curveball from one of their former partners in the form of a $40 million lawsuit; As work starts on a new gateway sign for Carytown, an effort to explore a potential assessment district to fund improvements in the corridor has secured the support of Richmond City Council; and two restaurateurs – one whose experience is in the downtown dining scene, the other who hails from a Varina barbecue family – have teamed up for their latest project.