CLEVELAND — Sen. Ted Cruz’s pointed refusal to endorse Donald Trump during his prime-time address here at the Republican National Convention has reopened wounds from the hard-fought GOP primary, threatening further divisions in a party already struggling to unite behind their nominee. During a contentious breakfast here Thursday morning with the Texas delegation — some in the group booed and heckled their senator — Cruz delivered a lengthy defense of his exhortation to Republicans the night before to “vote your conscience.” He said the party needs to “stand for shared principles” if Republicans want to win in November, but he also vowed not to speak negatively about Trump/Washington Post. More here.