Critics say the ruling on 'crossover' districts could reduce the political clout of minorities.
In a case involving a professional guitarist who lost an arm when injected with an antinausea drug, the justices said state consumer protections can go beyond federal regulations.
Lawyers for the Summum religion had argued that its monument should be allowed in a public park where the Ten Commandments were already displayed.
The US Supreme Court rules in the case of an alleged drug dealer in Utah.
In a Massachusetts case, a kindergarten girl allegedly was sexually harassed by a third-grade boy on a school bus.
The decision will make it easier for local residents to recover damages from national firms, consumer groups say.
Its new term, which starts Monday, includes cases on detainees and TV language.
Five justices footnote their June opinion about a 'national consensus' against using the death penalty for child rapists.
The move against the fundraising exceptions for wealthy candidates is the latest blow to McCain-Feingold reforms.