6 in 10 Republicans say Trump likely nominee
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More than six in 10 Republican-leaning voters expect Donald TrumpDonald John TrumpDems flip Wisconsin state Senate seat Sessions: 'We should be like Canada' in how we take in immigrants GOP rep: 'Sheet metal and garbage' everywhere in Haiti MORE to be the GOP presidential nominee, according to a new poll.

Sixty-four percent surveyed for the latest ABC News/Washington Post poll released Tuesday say that Trump is likeliest to be the GOP nominee, up 25 points from from November.

Meanwhile, just 12 percent say that rival Ted CruzRafael (Ted) Edward CruzWith religious liberty memo, Trump made America free to be faithful again Interstate compacts aren't the right way to fix occupational licensing laws Texas Dem: ‘I don’t know what to believe’ about what Trump wants for wall MORE is most likely to win the nomination, while 5 percent say Marco RubioMarco Antonio RubioOvernight Cybersecurity: Bipartisan bill aims to deter election interference | Russian hackers target Senate | House Intel panel subpoenas Bannon | DHS giving 'active defense' cyber tools to private sector Senators unveil bipartisan push to deter future election interference Puerto Rico's children need recovery funds MORE is likeliest to be the nominee.

Trump is battling Cruz in Iowa, where the two are essentially tied in polls ahead of ballots being cast on Monday. Votes will be cast in New Hampshire Feb. 9.

The survey of GOP-leaning voters was conducted Jan. 21–24 via landlines and cellphones with a margin of error of 5.5 points.