Question: what are iago and roderigo arguing about as the play opens?
Answer: Act 1 opens with Iago and Roderigo arguing that Iago took Roderigo's money and has not made Desdemona fall in love with him. Iago reveals to Roderigo Desdemona has married Othello and that Iago now hates Othello because he has promoted Cassio over him for lieutenant. ... He can't believe D would marry O.