1. Whether, during an investigation arising from a traffic stop, agents, who act reasonably under the Fourth Amendment, must read Miranda warnings when they restrain and interrogate someone prior to the completion of a formal arrest.

2. Whether, for purposes of the Controlled Substances Act, proof of possession with intent to distribute requires a showing of control over the drugs, rather than mere touching of someone else's drugs.

3. Whether, when the government has deported a witness who has material evidence favorable to the defendant, that evidence can be deemed cumulative if the government admits a summary of the deported witness's testimony and then asks the jury to disbelieve that summary.

Whether law enforcement agents must read Miranda warnings during an investigative traffic stop prior to formal arrest, whether possession with intent to distribute requires proof of control over drugs, and whether deportation of a material witness violates due process