Senator Ted Cruz has positioned himself as a strong opponent of same-sex marriage, urging pastors nationwide to preach in support of marriage as an institution between a man and a woman, which he said was “ordained by God.” But on Monday night, at a reception for him at the Manhattan apartment of two prominent gay hoteliers, the Texas senator and Republican presidential hopeful struck quite a different tone. During the gathering, according to two people present, Mr. Cruz said he would not love his daughters any differently if one of them was gay. He did not mention his opposition to...