This Week's Twitter Roundup starts on a somber note.

Americans experienced a terrible tragedy on monday, April 15th, with the bombing of the Boston Marathon. With three dead, hundreds injured and literally thousands left de-spirited, scared, shaken and vulnerable, Americans more than ever feel the intense need to find common ground, and bond together.

We often view our celebrities as detached from our more 'visceral' reality, but it's times like these that help us remember that they hurt too. Many were shaken by the attack - and celebrities, offer their condolences, sympathies and feelings as well as their frustration and confusion. Here are just a few of the hundreds of tweets concerning the bombing.

And finally, a wonderful example of Patriotism and the indefagitable American spirit.