Roder Atwood, a Tufts University student accused of breaking a Boston police officer's nose at a violent pro-Palestinian protest, was ordered held on $10,000 bail Wednesday. Atwood was one of 13 people arrested at the rally Tuesday evening. The pro-Palestinian protest on the Boston Common started peacefully, but turned violent when police said the demonstrators sat in the middle of the road near the Park Street MBTA station, blocking traffic. The other 12 people arrested Tuesday night are betwee