WARSAW, Poland — They might look like lost tourists — unkempt and overloaded with gear — or hikers with military haircuts, survival gear and no clue how to behave in the woods. But Latvia’s intelligence agency said Wednesday that they might actually be Russian saboteurs and spies . In its annual report, Latvia’s Defence Intelligence and Security Service, known by Latvian acronym MIDD, offered advice on how to identify possible reconnaissance and sabotage operatives. It's an increasingly