A gay Republican from New York challenged Ted Cruz on how "religious liberty" laws will affect his own marriage.
The soft-spoken Senate majority leader has in many ways set the stage for Trump's rise.
Kasich says there has to be a balance between religious freedom and LGBT people's rights — leading some critics to say he's trying to have it both ways.
Cruz wins 14 delegates at the Wyoming Republican Convention after having claimed 10 at county conventions in the state.
The mayor said the city would deny Trump's campaign a permit for a rally, should it request one.
The Democratic presidential candidates sparred over many issues five days before the New York primary.