how we honor the memory of the fallen will determine whether or not democracy will long endure. >> reporter: and the responsibility that requires from all americans. >> demonstration thrives when the infrastructure of democracy is strong. >> reporter: turning from the infrastructure of democracy to the infrastructure of the country itself in a crucial week, and a tough road ahead for biden's investment plan. >> just a week from tomorrow we need a clear direction. >> reporter: the transportation secretary pete buttigieg setting a clear deadline with republicans as ongoing negotiations inch forward, telling jake tapper the president keeps saying inaction is not an option and time is not unlimited here. >> reporter: negotiations to this point leave two sides far apart, including on top line costs with the white house sitting at $1.7 trillion, and republicans at 928 billion. only a fraction of that representing new spending.