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First Read: 2016 momentum shifts, but not the math

Last night's primary and caucus results changed the momentum in both presidential races. But they didn't significantly alter the overall math.

GOP Presidential Candidates Debate In Detroit (Photo by Chip Somodevilla/Getty)
Republican presidential candidates (Lto R) Sen. Marco Rubio (R-FL), Donald Trump, Sen. Ted Cruz (R-TX), and Ohio Gov. John Kasich, participate in a debate on March 3, 2016 in Detroit, Mich.Getty Images

Chuck Todd

Chuck Todd is NBC News' chief political analyst and the former moderator of "Meet The Press."

Carrie Dann

Mark Murray