Munich —Secretary of State  Marco Rubio  delivered a message of reassurance in remarks at the  Munich Security Conference , calming some fears that months of sharp U.S. rhetoric and policy disputes had opened a lasting breach between Washington and its European allies. "We do not seek to separate, but to revitalize an old friendship and renew the greatest civilization in human history," he said. Though he admonished European nations for prioritizing welfare programs over self-defense and