A group of tea party activists is convinced that Republican presidential front-runner Donald Trump has struck a secret deal with rival Sen. Ted Cruz to guarantee the Texan the vice presidential spot on the ticket, and conservatives are raving that it would be the best pairing since Harry Burnett Reese combined peanut butter and Hershey’s chocolate.The Cruz campaign vehemently denied that there was an agreement to form the conservatives’ “dream ticket,†while the Trump campaign remained mum.“There is no such secret deal,†said Cruz campaign national spokesman Rick Tyler.Still, speculation about an arranged marriage of Mr. Trump’s self-styled conservative crusade...