The lead Democratic negotiator in bipartisan talks on gun safety legislation said Tuesday that senators are seeking to pass a bill by their July Fourth recess, despite rumblings on Capitol Hill that provisions concerning so-called red flag laws remain a point of contention.The lead Democratic negotiator in bipartisan talks on gun safety legislation said Tuesday that senators are seeking to pass a bill by their July Fourth recess, despite rumblings on Capitol Hill that provisions concerning so-called red flag laws remain a point of contention.