Keeping the Afghan-Pakistani border open is crucial for U.S. plans to remove its military equipment from Afghanistan as the remaining 66, 000 U.S. troops withdraw from the country.
In December the UK Border Agency said it had met the "tough target" set to remove at least 5, 000 foreign criminals a year - including 50 convicted of either murder or attempted murder - and had staff working in prisons to speed up deportations.
Near 14th Street, a toe-deep water feature spills over the walkway, encouraging pedestrians to remove their shoes and wade through a rippling pond as a rustic border of cattails catches the breeze.