Basically her reasons are,"I got nothing".
Hillary struggles to list accomplishments during tenure as Secretary of State
“When you look at your time as Secretary of State, what are you most proud of? And what do you feel was unfinished, and maybe have another crack at one day?” the moderator asks.Of course Obama won 2 terms without any qualifications or experience other than community organizing so it's no stretch for Hillary to think she's qualified, After all she was married to Bubba. Just ask Monica.
“Well, I really see — that was good — that’s why he wins prizes. Look, I really see my role as Secretary, in fact leadership in general in a democracy, as a relay race. When you run the best race you can run, you hand off the baton. Some of what hasn’t been finished may go on to be finished, so when President Obama asked me to be Secretary of State I agreed,” Clinton responded.~snip~