From state accounting to public accounting !

Hi,

I graduated from overseas with BS degree in Business Administration, when I moved to United States I evaluated my transcript and it was equivalent to BS degree in Business Administration with a focus on Accounting and I also meet the educational requirements for the CPA exam which I did take once but I was not successful, I tried hard to get into public accounting firm but I couldnt and I end up taking a state accounting job which I've been doing for a year. Now I'm pursuing the CPA again and my question is, will it be possible to get into public accounting after passing the CPA considering that the only experience that I have is in government accounting or it'll be a waste of time studying for the CPA now, considering also that i'm