He stole the show. The primary runner-up entered the Republican National Convention to wild applause, emphasizing the need to unite against Hillary Clinton. But he stopped short of endorsing the Donald, whom he name-checked just once, eliciting boos from angry delegates. VP nominee Mike Pence followed with a low-key speech that didn’t do much to defuse Cruz’s bombshell. Despite the backlash, Cruz defended himself today, noting that he’s not in the habit of supporting those who attack his family and that he won’t be “a servile puppy dog” to the Trump campaign.