No, you cannot carry a concealed handgun in Michigan with a Tennessee handgun permit. Michigan requires individuals to have a Michigan Concealed Pistol License (CPL) to carry concealed in the state. While Michigan does recognize some out-of-state permits, Tennessee's permit is not one of them. Always check for the most current laws and regulations, as they can change.
To legally purchase or own a handgun, you must be 21.
21 years old
In PA you have to be 21 to conceal carry (or carry loaded in your car) a handgun.
If you have a handgun carry permit, definitely. The handgun carry permit covers "any handgun that you legally own or posses."
You can not carry an unconcealed handgun in Texas with or without a license.
No
It depends on where you are, and what the weapon is. In Tennessee, for instance, basically anyone can carry a knife if it has a blade less than 4 inches long. However, to carry a handgun, you must be 21 or older and have a handgun carry permit.
All countries - once you have legal permission, allow you to carry a handgun.
Nope
No
It depends on what you mean exactly. You can transport an unloaded handgun in your vehicle while you travel as long as the handgun isn't accessible to you. However, if you have a handgun carry permit, you can carry the gun on your person in some states. That said, you can carry a handgun on your person inside your car in some states without a permit. Check out handgunlaw.us for more information about each individual state's laws.