1. Whether a habeas petitioner "fairly presents"
the "substance" of his federal claim in state court by
identifying the relevant facts and the relevant
constitutional guarantee, regardless of whether his
state-court briefs cited the exact same precedents that
he invoked in federal court.

2. Whether Connecticut v. Barrett, 479 U.S. 523
(1987), which held that invocations of Miranda rights
must be construed broadly, requires police to stop
questioning a suspect who invokes his Fifth
Amendment rights by repeatedly stating, "I don't want
to talk" and "I don't want to talk about this," even if
the invocation is arguably ambiguous in scope.

Whether a habeas petitioner fairly presents his federal claim in state court