Two large city-owned oak trees fell on homes in a Richmond Northside neighborhood just before the Fourth of July, raising concerns among neighbors about the safety of other trees in the area. After CBS 6 highlighted neighbors' concerns, the city promised to conduct an extensive review and assessment of mature trees in the area in the coming weeks. On Thursday, CBS 6 learned that review was now underway, and six trees had already been identified for removal. CBS 6 investigative reporter Melissa H