Sens. Mark Warner and Tim Kaine, D-Va. Military veterans are pressuring Congress to move quickly when it reconvenes this week to cancel cuts in pensions for working-age vets - a change set in motion as part of last month's budget deal. However, reversing the decision to reduce cost-of-living pension increases could be difficult and, at best, would take some time to negotiate, say some legislators and lobbyists. Federal lawmakers from Hampton Roads, which has one of the nation's largest concentrations of retirees and active-duty service members, strongly support undoing the cuts. Most have already proposed or are co-sponsoring legislation...