The credibility of a witness may be attacked or supported by any party, including the party calling him. Ca. Evid. Code § 785 Enacted by Stats. 1965, Ch. 299.
Evidence of traits of his character other than honesty or veracity, or their opposites, is inadmissible to attack or support the credibility of a witness. Ca. Evid. Code § 786 Enacted by Stats. 1965, Ch. 299.