In William Shakespeare's The Merchant of Venice, i s Bassanio worth...

In William Shakespeare's The Merchant of Venice, is Bassanio worth the trouble? Bassanio is the romantic lead in this romantic comedy, and therefore—right?—his character is meant to be a "prize" too. And, apparently two major characters find much to admire in Bassanio. In this focus-topic, there are two puzzles to pursue. A. How does Shakespeare promote Bassanio as a positive character through specific speeches and actions? B. Why would Portia and/or Antonio value him so highly? Explain your answers.