2 weeks, 2 emails, no word. what to do?

[mf2232]

i graduated 4 years ago, so I knew it would be hard to get in touch with professors. while one prof did back to me, the other hasnt replied to my email (i fwded the email to her other address that i had and still no response). shouldnt she at least write back and say "no"? im not sure if there is anything i can do beyond contacting someone new to write the letter. ideas?

[darkknight9]

Call.