THE VIRGINIAN: JACOB WAS A PLAIN MAN (1966, USA) **½ Western net. National Broadcasting Company (NBC); pr co. Universal Television; d. Don McDougall; w. Eric Bercovici; exec pr. Frank Price; pr. Joel Rogosin; ph. Enzo A. Martinelli (Technicolor. 35mm. Spherical. 1.33:1); m. Jack Hayes, Leo Shuken; m sup. Stanley Wilson; th. Percy Faith; ed. George…