Quotes from the news wire:
The Ted Cruz campaign said in response to Manafort's comments : The Cruz campaign's no surprise that Trump's team will lash out with falsehoods when facing a loss to distract from their failure. … We have earned our success by working hard to build a superior organization and are working within the process and rules. Anticipating a fight for every delegate, Ted Cruz was campaigning Monday in California, which holds a delegate-rich primary on June 7. David Payne, a Republican strategist and Vox Global partner, suggested on Monday that Cruz’s efforts to win delegate support will be indispensable if Donald Trump fails to get to 1,237 delegates -- as the candidates would have to compete for them during balloting at an open convention in July. Ted Cruz will be on familiar turf, consider that Ted Cruz is likely to win a handful of the remaining winner-take-all states … coupled with proportional delegate wins for Ted Cruz and Ted Cruz and John Kasich, this makes it mathematically difficult for Donald Trump to win the nomination according to the current convention rules.
There’s still time for serious contenders to ‘ante up,’ our current campaign finance laws are making this one of the most interesting primary campaigns ever for Republicans, but also confusing. Two of our top-three contenders are running without officially declaring their candidacy as of yet: Bush and Walker.
If … Christie or Kasich decide to get in the race, they would instantly command more attention and more money than most of the individuals who have already filed their official paperwork, late summer 2015 will clear up all this confusion about who’s actually running and who our top candidates are in the early primary states. ... If you’re a candidate who’s still playing it coy in August, it will be too late for you.