The Mayor of Kabul threatens Pakistan with war (UPDATED)

According to the BBC, the “Mayor of Kabul”, a.k.a Khamid Karzai, President of Afghanistan, has threatened Pakistan by warning that he would send “troops across the border” to “confront militants based in Pakistan” adding that when militants crossed over from Pakistan to kill Afghans and coalition troops, his nation had the right to retaliate in “self-defence”. There is, of course, a reason why the always elegant “Armani President” Karzai is