One gray spring afternoon last year, thousands of people descended on Manhattan's Union Square for a rally to call for the arrest of George Zimmerman, the man who shot and killed Trayvon Martin. It had been several weeks since Martin, an unarmed black 17-year-old, was killed by Zimmerman, then 28, who identifies himself as Hispanic, after a confrontation one Sunday night in a gated housing community where both Zimmerman and Martin's father resided.
The police in Sanford, Fla., held Zimmerman for a night and released him after deciding he'd acted in self-defense.
A member of Egypt's police special forces stands guard next to an armored vehicle on July 3, protecting a bridge between Cairo's Tahrir Square and Cairo University where Muslim Brotherhood supporters gathered.
Credit Peter Macdiarmid / Getty Images
In January 2011, riot police forced anti-government protesters back across the Kasr Al Nile Bridge as they attempted to get into Tahrir Square.
Egypt has undergone profound change over the past 10 days. The military has overthrown an elected Islamist president and is back in control of the country amid deadly clashes between Islamists and the state security forces.
There's been another change as well: Egypt's police, long reviled by much of the population, have become unlikely heroes for opponents of the now-ousted President Mohammed Morsi.
During Egypt's 2011 uprising, revolutionaries fought pitched street battles with the police force, the protector of the autocratic regime.
The Senate is planning to vote Wednesday on a plan to bring interest rates on subsidized federal student loans back down to 3.4 percent for one more year. The rate doubled on July 1 when the chamber failed to agree on a plan.
While the Senate prepares to take the issue back up, college students are left staring at several competing proposals.