 Complete the following phrase:  Tracy followed this success with another Cohan play, Whispering Friends, and in 1929 took over from Clark Gable in Conflict, a Broadway drama. Other roles followed, but it was the lead in Dread, written by Pulitzer Prize-winning dramatist Owen Davis that gave Tracy high hopes for success. The story of a mans descent into madness, Dread previewed in Brooklyn to an excellent reception, but on the next dayOctober 29the 