but this fence t. might take awe couple of days. you'd have to switch blades as much as six times. >> we're told the wall will be done june 22nd, border patrol says the real test will come when somebody attempts to breach it. martha: lots of excitement, because prince william and kate, formerly kate middleton, his wife, will make their first official trip abroad as the newlyweds kicked off this trip in canada. they're walking through the crowds and saying hello, they laid a wreath at the national war memorial. the crowds were exeer cheering and smiling as prince william spoke to them. listen to this: >> catherine and i are so delighted to be canada, we love this country, we've been looking forward to this moment for a very long time, and before we were married, we had a longing to come