Because state laws intervene.
yes
You can only drive in the state where the learners permit was issued.
No. Pennsylvania does not recognise out-of-state permits.
No. Florida will allow US permit holders from other states to drive in their state, but not foreign nationals on a foreign learner's permit.
Only if you are with someone who is over 21
15 for a learners permit and 16 to drive by yourself
The VEHICLE that you are driving must be properly insured.
No. Also, "leagle" is spelled "legal".
NO!
Yes, subject to the restrictions both of the State of Texas and the State of Florida which they place on learner's permits.
It's a gray area. I know that if you drive in a state and you have a learners permit form another state, your supervising driver is responsible. It's a gray area. I know that if you drive in a state and you have a learners permit form another state, your supervising driver is responsible.
no