I had some felony convictions back in 1992 in GA, I successfully completed everything....Can I have my record expunged?

Short answer: No. But you may be able to have your rights restored, which is different than an expungement. Many people wish they could...

See Georgia HB 150, passed to address this very issue: http://www.legis.ga.gov/legislation/en-US/display/20132014/HB/150

Do I have the right to a jury trial in the state of Ga. against code enforcement.

Probably not. You have the right to a jury trial for anything that COULD BE prosecuted criminally. Code enforcement doesn't sound like it would...

Will a probation officer send someone back to prison if the fail a drug test?

You thought wrong. Your friend is practically begging to go back to prison. The P.O. would LOVE to have one less person to supervise by revoking...

Warrant hearing

And the question is . . .?

The prosecutors don't care if you ADMIT intent to distribute or not. You can deny it all you want. But they will argue that the scale is the tool...

A person charged with less than an ounce of marijuana that has already used their 1st offender rights ho do we protect them.

It's possible.

My son has received a citation for shoplifting..for the second time and is facing additional charges elsewhere...

A VERY important fact that you left out is the value of the items he's accused of stealing. If they are over $500 per incident, then your son...

I wouldn't call it a "waste" of money to hire someone to defend me against false accusations.

Can I file a motion for my incarcerated wife

Not unless you want to face charges for the unauthorized practice of law.