Russia has suspended its participation in a treaty on conventional arms and voiced opposition to a missile shield in its backyard. Is a new era of mutual hostility in the making?

President Vladimir Putin continues to downplay atrocities by Stalin. Some see Russia’s refusal to come to grips with its Soviet past haunting relations with the West.

India’s growing economic and political influence in Afghanistan has angered Pakistan, the traditional power there, and has experts worried that Afghanistan could become another battleground in the lo…