A broad coalition of almost 30 U.S. and Mexican trade stakeholders is urging Presidents Joe Biden and Andres Manuel Lopez Obrador to address migrant issues they said are impacting cross-border trade. Led by the Washington-based Border Trade Alliance, the Texas Association of Business and the Confederation of Industrial Chambers of Mexico (CONCAMIN), the coalition on Wednesday sent a letter to Biden and Lopez Obrador asking them to work swiftly t…