SU(3) ⊗ U(1) Gauge Theory of the Weak and Electromagnetic Interactions

We describe an extension of the gauge theory of weak and electromagnetic interactions to SU(3) ⊗ U(1). The extended theory naturally insures universality, absence of right-handed currents in $\beta$ and muon decay, flavor conservation in neutral currents, etc.; gives good quantitative agreement with observations of neutral currents; and accounts for recently observed trimuon events.