share: digg facebook twitter NEW YORK (AP) — The Occupy Wall Street movement has close to $300,000, as well as storage space loaded with donated supplies in lower Manhattan. Another world is possible! Kara Segal and other volunteers chanted in the building lobby as they arrived to help unpack and sort items, preparing them to be rolled out to the park. President Barack Obama referred to the protests at Sunday's dedication of a monument for Martin Luther King Jr., saying the civil rights leader "would want us to challenge the excesses of Wall Street without demonizing those who work there." About 175 people were arrested in Chicago after they refused to leave a park where they were camped late Saturday, and there were about 100 arrests in Arizona — 53 in Tucson and 46 in Phoenix — after protesters refused police orders to disperse. Protester Whitney Whiting, a video editor, said the process has helped "gather voices" about Americans discontent, and that she expects it will eventually take the movement a step further. Unions that have joined forces with the movement have demands of their own, and on Sunday members of the newly formed Occupy Pittsburgh group demanded that Bank of New York Mellon Corp.