1. During a traffic stop, does the Fourth Amendment place any limit on the extent and manner of questioning by police regarding matters not related to the mission of the traffic stop, if the additional questioning does not prolong the traffic stop?

2. On appellate review of a within-guidelines sentence for substantive reasonableness, is a Circuit court permitted to determine whether a reasoned weighing of 18 U.S.C. § 3553(a) factors rebuts the appellate presumption of reasonableness?

Does the Fourth Amendment limit police questioning during a traffic stop?