By COLLEEN LONG and ZEKE MILLER WASHINGTON (AP) — President Joe Biden’s decision to go back on his word and issue a categorical pardon for his son, Hunter, just weeks before his scheduled sentencing on gun and tax convictions was a surprise that wasn’t all that surprising. Not to those who had witnessed the president’s shared anguish over his two sons after the boys survived a car crash that killed Biden’s first wife and a daughter more than a half-century ago.