Need to take that Verizon smartphone with you on an upcoming overseas excursion? Well, now you no longer have to wonder just how harsh the roaming data rates will be on the ol' wallet. The carrier has announced its Global Data Plan that will launch on April 23rd, providing its customers with 100MB of data for $25 a month. Available in over 120 locales, the new roaming allotment will span all of Europe, South America, the Caribbean, Mexico and Canada. Of course, you'll need a