Vice president ial nominee tim kaine, and Trump Campaign manager Kellyanne Conway. And the margin of panic with the polls tightening is what Hillary Clintons supporters are feeling. What is behind her sinking numbers . Joining me for insight and analysis, republican strategist alex castellanos, maureen dowd and Cornell Belcher and katy tur of nbc news. Im chuck todd and this is meet the press. An explosion rocked manhattan last night, and then a second Pressure Cooker device and a bomb like the one used in the Boston Marathon attack was found four blocks to the north. The u. S. Foreign chief correspondent Richard Engel happened to be on the scene last night, and what can you tell us, richard, about what we know about this incident well, it wa explosion and did not cause a great deal of explosion, but shattered some windows and went off inside of a dumpster, and some windows as high as four stories were shattered, but we are not seeing the huge crater, and so it is a crude, ploeive devi