Will.i.am of the Black Eyed Peas is teaming up with First Lady Michelle Obama and Dr. Jill Biden for Joining Forces, a campaign to support servicemembers and their families.Will.i.am presents a call to action in a new PSA for the initiative, asking what we can all do to help. "All of these brave and courageous people leave behind a family, people who need a little help to make it through the day," he points out."Imagine what we can do to support them, if we start joining forces?" the musician continues. (ETonline.com)