Joe Otterson TV ReporterThe “L.A. Law” sequel series starring Blair Underwood has been given a pilot order at ABC.The followup to the beloved late ’80s-early ’90s series was first announced as being in development at ABC back in December.In the new show, the venerable law firm of McKenzie Brackman reinvents itself as a litigation firm specializing in only the most high profile, boundary pushing and incendiary cases.