Ted Cruz believes the shooting in San Bernardino, Calif., may provide additional evidence that the United States is at war. The Texas senator acknowledged that details about the shooting are still developing, but he said he worries that the attack is an example of Islamic terrorism. Cruz kicked off a Republican Jewish Coalition conference in Washington, D.C., with a moment of silence in light of the murders. "At this point the details of what happened in San Bernardino are still unclear. Our prayers are with the families of those that were murdered and those that were shot," Cruz said. "All...