WASHINGTON–A super PAC supporting Sen. Ted Cruz’s presidential campaign released seven radio ads praising the senator’s record on gun ownership, religious expression and fighting Republican leadership in Congress. Produced by super PAC Keep the Promise I, the ads are part of a previously announced $1 million campaign, and will run through the end of 2015 on Christian and conservative radio networks and talk shows. Each ad features one narrator–two mothers, a veteran or a hunter–explaining why he or she supports and trusts Cruz....The ads echo Cruz’s own pitch for the presidency. He often claims he’s the only presidential candidate in...