WASHINGTON — The family of Michigan’s Paul Whelan expressed happiness Wednesday at Russia’s release of another former Marine, Trevor Reed, while appearing frustrated the U.S. government has allowed their brother and son to remain in custody there for more than three years. “Unfortunately, time is not on Paul’s side,” his brother David Whelan said in a Wednesday statement. “Our parents are literally not getting any younger. Our hope remains that Paul will be home so they may seem him once more. But each day that hope dims.” He also said that which American hostages get saved “is the president’s…