In most cities public consumption of alcohol or carry/opened container of alcohol is a Municipal Ordiance which equates to a misdemeanor and yes it is a criminal offense.
Yes
If you mean as opposed to just a plain traffic ticket offense? Yes, it is.
The ARREST record will still reflect that the arrest was for a felony offense, HOWEVER, if you are asked if you were ever CONVICTED of a felony, you can truthfully answer 'no.'
Yes.
You will get a warrant issued for your infraction in the state where you committed the offense.
Blocking a driveway is not a criminal offense, unless you refuse to move. You may get a ticket for blocking a driveway depending on where it is.
Blackmail is a criminal offense.
There are no set punishments or fines for criminal offenses. The sentence depends on the facts and circumstances of the offense, and the defendant.
It is a criminal offense.
Theft is considered a criminal offense.
It cannot.
Under the ex post facto rule, you cannot be charged with a criminal offense if it was not a criminal offense at the time you committed it. By the same token, if you committed a criminal offense that has since been repealed (meaning this is no longer a criminal offense) you still are considered having a criminal record for that offense.