Completes 90 days in rehab
                                
                                
                                    (Newser) -
                                    Lock your doors (or maybe at least your wet bars): America's favorite trainwreck, Lindsay Lohan, has been sprung from Betty Ford Center just as  David Arquette checked in,  reports  Radar.  The onetime actress today completed a 90-day stint stemming from her 2007 DUI conviction just in time for 2011 to...