that's why we never see the president of the united states in an open air situation since ronald reagan's assassination attempt, there's always the practice of a tent being erected to protect a president or vice president going from a vehicle into a building. so many layers of security learned by difficult circumstances over time. so here today on the capitol grounds we will expect to see a few different things. most of the business of the house of the representatives canceled for today. we do expect that the senate will convene in 20 minutes. it would just be my guess that is always done by the chaplain of the senate, who offer as prayer every day. today i would imagine that prayer takes on even greater significance. it's part of the daily routine and yet at a moment like this especially appreciated. and also we'll hear from different members around the campus here who are commenting on what they have seen offering prayers, reaching out to the family members and so forth. so as this community of the