This year the Vice President , mike pence w be there and were hearing the president himself may call in. News 4s Megan Mcgrath joins us near the Washington Monument where the crowds are already building. Reporter definitely. Were seeing that crowd build. Look behind me here. These are all of the folks who are making their way down the sidewalk here along constitution to get to the security checkpoint. Theres heightened security here because of the Vice President speaking at the rally and so folks are going to have to go through that magnet tom ter. Weve been talking to people all morning long and theyve come from around the country and believe change is on the way. Young people gathered by the thousands in advance of the march for life. Attending a youth rally and mass at the Verizon Center this morning. They may be young but these teenagers say they are dedicated to the cause. As teenagers, you k w world and theres so many different opinions and i think its so important that we learn