Republican Convention

What's Cruz's Biggest Roadblock, Trumpf or Rubio?

There will be 2,470 delegates to the Republican National Convention in Cleveland and the number ti win the magic Republican nomination is 1,236 (50% +1). The first 4 races, all next month, that everyone talks about-- Iowa (30 delegates), New Hampshire (30), South Carolina (50) and Nevada (30)-- will decide 140 delegates split up between several candidates.