Amazon Software Development Engineer - Intern interview questions

Got a phone interview from my application online on the Amazon University Recruiting website. The Recruiter set me up for two 45 minute phone interviews. The first person called on time. I screwed up easy questions. I was not thinking straight. Thats the reason I lost it. The second person almost forgot to call me. I had to ask the recruiter if the call was still on. She talked to the interviewer and told me that He was going to call me then. Then, the second guy called. I stumbled a lot in the second interview also.