Yes. Under both federal and state laws, a convicted felon may not be in possession of (including "being around") a firearm.
yes
There is no solid answer to the employment part of the question, but your criminal history record is a public record and is available to anyone who checks into it.
Can a felony form your record be removed in the state of Florida
No. A felony from any state remains on your record for life.
No, and I question whether you can even be accepted to the bar with a felony record.
Crimes committed after you turn 18 become part of your PERMANENT criminal history which is a public record. This record is open to anyone who wants to research your background deeply enough.
It remains.
IIRC, a DUI felony is a state, and not federal felony. At the moment, no - federal law prohibits anyone with a felony record from purchasing, possessing, or having access to a firearm. However, if you get yourself an attorney, it MIGHT be possible for you to have your firearms rights restored, provided it's a felony only at state, and not federal level. Bear in mind, though, that nothing is guaranteed.
Felonies are forever... Expunging a record is very difficult and very costly.
No. You are forbidden to legally posess a firearm and your record always follows you.
Yes! Yes ! Yes! They're illegal for a reason!
Many things are considered a felony in the state of California. For example, transporting large amounts of illegal drugs across state lines.