WASHINGTON — Honest Abe will become Colorful Abe with splashes of purple and gray livening up the $5 bill. The government showed off the new bill Thursday in an Internet news conference -- a high-tech unveiling that officials say is entirely appropriate for a 21st century redesign of the bill featuring the Civil War president, Abraham Lincoln. The changes are similar to those already made, starting in 2003, to the $10, $20 and $50 bills. In those redesigns, pastel colors were added as part of an effort to stay ahead of counterfeiters and their ever-more-sophisticated copying machines. Originally, the five...