to find out what's so special about them, we talked to lee stetson.most 30 years as an ivy league dean of admissions. >> the ivy league has this image of being one of the more elite and respected programs in the country academically. which we like to think is true. >> but what most people don't realize is that the ivy league was originally defined not by scholastics, but by athletics. >> we end up playing each other in sports, and that's really the bottom line. >> that may be how it started, but today the ivy league is seen by many as the country's most prestigious schools. they're certainly among the oldest. seven of the schools were founded even before the american revolution. there's a legend that ben franklin applied to harvard and was rejected. so he said he'd start a college of his own. and he did. founded in 1740, it was called the academy of philadelphia. later it was renamed the university of pennsylvania. today, penn has more than 23,000 students on campuses that sprawl over hundreds of acres. its wharton business school is world famous. and

they feel stetsons will be popular with the troops. they call them functional and downright american. it was only when we noticed this photo on the web and then remembered today's date that we realized we'd been had. it turns out the army has a good sense of humor and celebrates april fool's day. >>> up next, stepping up and stepping into the lives of high school students at a critical time and making a difference that then carries them through life. >>> it's time for our friday "making a difference" report. first the bad news. as you may know too well, many american high schools have a shortage of guidance counselors with a shortage of quality time. that means a lot of students are left in the lurch, especially those who are college ready but need help with the applications, selection process. the good news, though, is that there's a group of dedicated americans stepping in to fill that gap. the story from our education correspondent, rehema ellis. >> class, attention! >> reporter: jaquan stover, battalion commander of his high school

they feel stetsons will be popular with the troops. call them functional and downright american. it was only when we noticed this photo on the web and then remembered today's date that we realized we'd been had. it turns out the army has a good sense of humor and celebrates april fool's day. >>> up next, stepping up and stepping into the lives of high school students at a critical time and making a difference that then carries them through life. [ male announcer ] an everyday moment can turn romantic anytime. and when it does, men with erectile dysfunction can be more confident in their ability to be ready with cialis for daily use. ♪ cialis for daily use is a clinically proven low-dose tablet you take every day so you can be ready anytime the moment's right. ♪ tell your doctor about your medical condition and all medications, and ask if you're healthy enough for sexual activity. don't take cialis if you take nitrates for chest pain, as this may cause an unsafe drop in blood pressure. [ man ] do not drink alcohol in excess with cialis.

article informs the service's 1 million plus soldiers that the head gear will change to a dark blue stetsona nod to the army's frontier history. right now, soldiers wear berets. the article also says army officials refuse to address rumors they're considering replacing the traditional black boots with cowboy boots. it ends with a note saying that the uniform change will take place on april fool's day, 2012. >>> this next story is no joke. from airlines to dorm rooms, bedbugs are still making people itch all around the country. everyone agrees, the tiny pests need to go. but as norah o'donnell reports now, there are different views on just how to do that. >> reporter: don't let the bedbugs bite. a bedtime adage has become an itchy reality. in fact, according to the national pest management association, who speaks for the pest industry, 1 out of 5 americans has encountered bedbugs at home or knows someone who has. a bedbug is a tiny, ma hag knee brown, six-legged insect. >> it looks like a thin apple seed. >> reporter: and they use your baggage, latching on to your gym bag, suitcase, laptop c

characters we could go to in your book, and that's one thing i like about your book, frank crowe with his stetson hat, william mulholland who's famous in l.a. history. pick a fellow that you want to talk about as instrumental in the hoover dam and in your book. >> sure. well, i think inescapably the single character of the construction phase of hoover dam and my book goes all the way back to the 1800s and brings the story or pretty close to modern times. but, obviously, the construction of the dam is the centerpiece, and that is frank crowe. he was the superintendent, he worked for six companies which was the private contracting consortium that built the dam, the remnants of which today, bechtel company. crowe was a fascinating character and also the summit of a lot of myth -- subject of a lot of myth making earlier on. he was a dam builder extraordinaire. hoover dam was his 14th dam. he built dams in the remote mountains of the north many idaho and montana -- in idaho and montana, he built dams in deserts. hoover dam was built in the most remote and harshest environment that he had ever worked i