the lead gop negotiator set to speak with biden this week, expressing optimism for a potential outcome and trust in biden's intentions. >> i think we're building blocks towards a really good, solid infrastructure package that has bipartisan support. >> reporter: moderate democrats may not join them in any unilateral effort. stay on it, the opportunity closes for their agenda. they're going to close it down this week. >> phil mattingly live from the white house. meantime, it is crunch time in the big apple, and the race for mayor of new york city is on. the field spans from former presidential candidate to former wall street executive to a blue collar police reform advocate. athena jones looks into the combative race tightening in its final days. >> i would be the people's mayor. >> reporter: crunch time in new york city's mayoral race.