Explore different paths to a Republican or Democratic Senate majority, mapped out by NBC News chief data analyst Steve Kornacki and “Meet the Press” moderator Kristen Welker. Then, create your own scenarios. ↧ Senate What If: How the fight for Senate control could play out There is a fierce battle unfolding over control of the Senate, with the chamber up for grabs in November. Map out each party’s path to the Senate majority with NBC News’ “Senate What If” tool.