washington sunday massacre las vegas spur ritual-like response u.s. politicians follow mass shoot leave trail victims across country democrats renew demand tough gun laws republicans offer prayers show sign support legislation one day deadly mass shoot u.s. history leave least 59 people dead 500 injure house representatives speaker paul ryan republican say statement monday whole country stand unite shock condolences prayers senate majority leader mitch mcconnell also republican lead chamber moment silence follow devastate massacre urge national mourn prayer democrats fall line thoughts prayers enough moms dads bury kid week sons daughters grow without parent senator elizabeth warren say morning tweet senator chris murphy whose home state connecticut scene mass shoot 2012 kill 20 6-year-olds six adults blunt time congress get ass something murphy say statement murphy say would introduce new background check bill house democratic leader nancy pelosi also urge passage legislation toughen check gun sales connecticut tragedy spark serious negotiations congress tight gun laws include tough background check gun buyers effort fail 2013 amid strong opposition gun group national rifle association subsequent mass shoot bring similar call congress act tough gun laws see republicans democrats balk see infringements right bear arm embed second amendment u.s. constitution white house spokeswoman sarah sanders ask whether president donald trump might favor tight gun laws tell reporters think something talk come days see look like move forward say administration would want laws create would fail stop type things happen nevada two u.s. senators republican dean heller democrat catherine cortez masto monday issue statements offer prayers victims thank first responders neither mention anything gun laws ryan ask interview last month associate press step diminish gun violence say many mass shoot hand people mental illnesses say congress need ensure federal fund available address illnesses say republican congress go infringe upon second amendment right go say house however recently pass massive fund bill next year would cut 306 million government substance abuse mental health administration democrats monday write ryan ask stop consideration bill house would make easy buy gun silencers something gun control advocate oppose supporters argue bill would protect gun users damage hear senate democrats hold floor even monday talk las vegas massacre need gun control one california politician offer another possible path forward gavin newsom state current lieutenant governor candidate governor 2018 election suggest california act heartbroken pass commonsense gun laws nation newsom say statement republican leadership congress president continue moral intellectual abandon california must continue chart path rationality california already act gun control voters last november approve proposition outlaw possession ammo magazines hold 10 round case follow past mass shoot unite state las vegas murder raise expectations brisk gun sales people fear gun control laws become strict drive share gun makers american outdoor brand rise 3.2 percent sturm ruger co rise 3.5 percent follow trend see follow june 12 2016 shoot orlando florida nightclub american outdoor gain percent ruger jump 8.5 percent guncontrolnow among top trend hashtags twitter unite state monday las vegas massacre democrats urge gun laws republicans silent