capstone to a momentous week in Obama’s presidency

<p><span style="font-family: arial, helvetica, clean, sans-serif; font-size: 13px; line-height: 16px;"><h1 id="yn-title" style="margin-top: 0px; margin-right: 0px; margin-bottom: 14px; margin-left: 0px; font-size: 28px; font-weight: normal; line-height: 33px; font-family: georgia, times, serif; padding: 0px;">In surprise visit to war zone, Obama prods Afghans</h1></span></p><p><a id="yn-prvdlink" class="provider-logo ult-section" style="color: #0058a6; text-decoration: none; float: left; margin-top: -6px;" href="http://us.rd.yahoo.com/dailynews/ap/brand/SIG=11f589428;_ylt=AjqSTqNUxPKZXYhnJ7eaOY79xg8F;_ylu=X3oDMTBzc2k0M2xoBHBvcwMxBHNlYwN5bi1wcnZkbGluawRzbGsDYXA-/**http%3A%2F%2Fwww.ap.org%2Ftermsandconditions"><img style="border: 0px initial initial;" src="http://l.yimg.com/a/i/us/nws/p/ap_logo_106.png&quot; alt="AP" width="106" height="27" /></a></p><p>&nbsp;</p><p><span style="font-family: arial, helvetica, clean, sans-serif; font-size: 13px; line-height: 16px;"><div class="byline" style="margin-top: 0px; margin-right: 0px; margin-bottom: 7px; margin-left: 0px; font-size: 11px; color: #777777; padding: 0px;"><cite class="vcard" style="font-style: inherit; font-weight: inherit; font-family: arial, verdana, sans-serif; font-size: 11px; color: #777777;">By JENNIFER LOVEN, AP White House Correspondent&nbsp;</cite>&ndash;&nbsp;<abbr class="recenttimedate" style="font-variant: normal; border: 0px initial initial;" title="2010-03-28T12:06:53-0700">52&nbsp;mins&nbsp;ago</abbr></div><div class="yn-story-content" style="padding: 0px; margin: 0px;"><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 1em; padding-left: 0px; line-height: 18px; margin: 0px;"><strong>KABUL &ndash;&nbsp;</strong><span id="lw_1269803976_0" class="yshortcuts" style="cursor: pointer; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; border-bottom-style: none; border-bottom-width: initial; border-bottom-color: initial; background-position: initial initial; background-repeat: initial initial;"><strong>President Barack Obama</strong></span><strong>&nbsp;has told American forces during his surprise visit to&nbsp;</strong><span id="lw_1269803976_1" class="yshortcuts" style="cursor: pointer; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: transparent; border-bottom-style: none; border-bottom-width: initial; border-bottom-color: initial; background-position: initial initial; background-repeat: initial initial;"><strong>Afghanistan</strong></span><strong>&nbsp;that U.S. lives would be at risk if the</strong><span id="lw_1269803976_2" class="yshortcuts" style="border-bottom-style: dashed; border-bottom-width: 1px; border-bottom-color: #0066cc; cursor: pointer;"><strong>Taliban</strong></span><strong>&nbsp;retake control of the country.</strong></p><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 1em; padding-left: 0px; line-height: 18px; margin: 0px;"><strong><em>Obama says difficult days lie ahead in the 8-year-old war and he says there will be setbacks. But he says the U.S. doesn’t quit and will prevail.</em></strong></p><p style="padding-top: 0px; padding-right: 0px; padding-bottom: 1em; padding-left