Third Week of Protests of Occupy Wall Street Movement

New York (CNN) -- As the Occupy Wall Street protesters rally for a third week, social media sites such as Twitter seem to be spurring similar protests in other cities.
A Twitter account called Occupy Boston mentions a citywide college walkout there Wednesday.
Meanwhile, the Massachusetts Nurses Association says hundreds of the city's nurses will rally with the Occupy Boston protesters on Wednesday. The association says the protest will be part of the opening day activities for a national nursing convention in Boston.

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In New York, several unions endorsed the Occupy Wall Street movement and plan to join the protesters' street theater Wednesday, labor leaders said.
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The voices of #OccupyWallStreet
"It's really simple. These young people on Wall Street are giving voice to many of the problems that working people in America have been confronting over the last several years," said Larry Hanley, international president of the Amalgamated Transit Union, which has 20,000 members in the New York area.
"These young people are speaking for the vast majority of Americans who are frustrated by the bankers and brokers who have profited on the backs of hard-working people," Hanley added in a statement. "While we battle it out day after day, month after month, the millionaires and billionaires on Wall Street sit by -- untouched -- and lecture us on the level of our sacrifice."
Transport Workers Union Local 100 spokesman Jim Gannon said the Occupy Wall Street movement, which denounces social inequities in the financial system and draws inspiration from the Arab Spring revolutions in Africa and the Middle East, has advanced issues that unions typically support.
"Their goals are our goals," Gannon said. "They brought a spotlight on issues that we've believed in for quite some time now. ... Wall Street caused the implosion in the first place and is getting away scot-free while workers, transit workers, everybody, is forced to pay for their excesses.
"These young folks have brought a pretty bright spotlight," Gannon added. "It's kind of a natural alliance."
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President Michael Mulgrew of the United Federation of Teachers, the sole bargaining agent for most nonsupervisory New York City public teachers with 200,000 members, said he was proud to support the demonstrators.
"The way our society is now headed it does not work for 99% of people, so when Occupy Wall Street started ... they kept to it and they've been able to create a national conversation that we think should have been going on for years," Mulgrew said.
The labor officials couldn't provide a projection on how many of their members will take the day off from work Wednesday and join the protests.
View a high-resolution gallery of the protests
The demonstrators have camped out in Zuccotti Park in New York's Financial District, calling for 20,000 people to flood the area for a "few months."
The protest campaign -- which uses the hashtag #occupywallstreet on the microblogging site Twitter -- began in July with the launch of a campaign website calling for a march and sit-in at the New York Stock Exchange.
Over the past two weeks, demonstrations have addressed issues such as police brutality, union busting and the economy, the group said.
Open Story: Occupy Wall Street protests
Occupy Wall Street is a leaderless movement made up largely of twentysomethings upset with the economy, the Afghanistan war, the environment, and the state of America and the world in general.
In less than three weeks, the movement has become a magnet for countless disaffected Americans at a time when an overwhelming majority of U.S. adults say the country is on the wrong track.
Wall Street protesters inspired by Arab Spring movement
Besides New York and Boston, protests have been held in Chicago, Los Angeles and Seattle.
Occupy Wall Street and its offshoots have clear strains of liberal economic populism -- a powerful force in U.S. history during times characterized by economic stress. That said, it would be a mistake to label or tie the movement to a specific agenda, said Susan Olzak, a Stanford University sociology professor.
"It's difficult to classify a social protest movement early on in its history," Olzak said. "Clearer goals could eventually emerge, but there's no guarantee."
She added, "Many movements fizzle out. Others become more organized. (But) "I think we run a risk (by) taking a snapshot at any one point in time and trying to categorize the movement in any one way based on that snapshot. The only way to study these protest movements is to follow them over time."
CNN's Terry Frieden contributed to this report.