Poll: Donald Trump widens lead over John Kasich in Ohio Republican primary

As of March 16, it becomes a 2 man race between Cruz and Trump, since Trump has a sizable polling lead over Rubio in Florida and over Kasich in Ohio. Rubio and Kasich cannot feasibly continue their campaigns after failing to win their home states.

At that point, the ground will shift considerably for Donald Trump, since quite a few more Republicans are repulsed by him than are attracted to him.

CLEVELAND, Ohio -- Ohio Gov. John Kasich is failing to close the gap between him and Donald Trump among GOP primary voters in his own state, according to a new poll.

And in a particularly concerning sign for Kasich, the new Quinnipiac University poll, released Wednesday, suggests he is not gaining on Trump even as voters abandon other GOP candidates in the lead up to Ohio's March 15 primary.

The poll of likely Ohio Republican primary voters found Trump leading Kasich 38 percent to 32 percent. That's compared to Trump's 31 percent to 26 percent lead in the university's last poll, released on Feb. 23.

Compared to two weeks ago, the new survey shows Trump and Kasich more or less splitting voters as Sens. Marco Rubio and Ted Cruz lost ground. Rubio's support dropped from 13 percent to 9 percent, and Cruz's support dropped from 21 percent to 16 percent. The new poll also omits retired neurosurgeon Ben Carson who had polled at 5 percent in February, but who has since suspended his campaign...