Based on the moving average of recent polls:
According to recent polls, the only main Republican Clinton or Sanders beat is Sanders over Trump. Al the rest are in a statistical tie. A GOP win would produce the worst president in our history: Trump, Cruz or Rubio.
In Iowa Trump and Cruz are in a statistical tie and Clinton leads Sanders by 5
In New Hampshire Trump and Sanders both lead by 21
In Democratic Minnesota, Clinton would lose to Rubio by 8 and is in a tie with Cruz and Trump. Sanders would beat Trump by 15.