and joshua bourne, arrived for the first tour, and both killed when the gunman turned a gun on them last thursday. and. >> and if i can't say that things aren't tense here in kabul, they certainly are, but i will tell you it's getting calmer mere. >> 24 protests on saturday. nine on sunday and two today, plus, a car bombing alt the gates of an airport used by the u.s. military killed nine afghans. >> anyone who believes they can weaken our resolve through these cowardly attacks is severely mistaken. >> afghan president hamid karzai urged calm in a televised addressed offering condolences, but no apology, as republicans continue to criticize the president. >> i think enough is enough, i'd like to hear apologies from those that attacked and killed our poom. >> and the congressman is