The Army is quietly considering a sweeping reduction of up to 90,000 active-duty troops, a move that underscores mounting fiscal pressures at the Pentagon and a broader shift in military strategy away from Europe and counterterrorism, according to three defense officials familiar with the deliberations. Internal discussions are exploring trimming the force to between 360,000 and 420,000 troops -- down from its current level of roughly 450,000. The potential cuts would mark one of the most