… Since the parties in 1972 decisively shifted authority for picking their presidential nominees from insiders to voters, the only reliable formula for success has been to win the Iowa caucus, the New Hampshire primary, or both, and to ride a wave of momentum into the larger states that follow.
At a time when almost everything else about running for president has radically transformed, a key question for 2016 is whether that formula still applies. CONT.
Ronald Brownstein, National Journal