Does exclusion of what is at best marginally relevant impeachment evidence affect a defendant's right to confrontation and cross-examination?

We have found no error in the court's exclusion of what is at best marginally relevant impeachment evidence. The routine and proper application of state evidentiary law does not impinge on a defendant's due process rights. (People v. Hovarter (2008) 44 Cal.4th 983, 1010.) Nor does the exclusion of marginally relevant impeachment evidence "contravene a defendant's constitutional rights to confrontation and cross-examination." (People v. Brown (2003) 31 Cal.4th 518, 545.)