LANSING — President Donald Trump included a former Republican congressman from Michigan in the grants of clemency he handed out Wednesday.Trump pardoned Mark Siljander, who served time for charges related to work he did for an Islamic charity that federal authorities had linked to terrorist groups.Siljander, 69, who represented southwest Michigan from 1981 to 1987, pleaded guilty in 2010 to obstruction of justice and to acting as an unregistered foreign agent in federal court in Missouri,