Roughly 9,000 activists clashed with police as they moved to re-occupy the area Saturday.
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Officer Darren Wilson told investigators he feared for his life before firing his gun.
Justices Sonia Sotomayor, Elena Kagan and Ruth Bader dissented to ruling.
Separate court rulings helped clear the way for gay marriages in the three states.
A spokesman said there is "no place for discrimination in the U.S. Armed Forces."
"I guarantee you we would not be worrying about Ebola right now," said the N.H. hopeful.
Castro fears that the state's new voter ID law could stifle minority voting turnout.
The lawmakers want Obama to ban travel and stop issuing visas for three African countries.
Eight of the top 10 richest House districts have Democratic representatives.
The accused fence jumper is also charged with resisting officers and violating a gun law.