India-Pakistan: Another tipping point?

We take a close look at the increasingly tensed relationship between India and Pakistan as Pakistan's own domestic politics spells uncertainty; all this on a day when many are asking what caused the hardening of stance by the Indian government. Speaking to NDTV, PM Manmohan Singh had a tough message for Pakistan. He said it can't be business as usual with Pakistan after the killing and mutilation of two Indian soldiers last week.