Former President Barack Obama delivered a lengthy response to the dual mass shootings that killed 31 people in Texas and Ohio over the weekend. He blamed guns, white supremacist websites, and President Donald Trump’s rhetoric for the ongoing violence in the United States. In a message shared on Twitter, the former president specifically called for more gun control to help prevent more mass shootings. “Until all of us stand up and insist on holding public officials accountable for changing our gun laws, these tragedies will keep happening,” Obama said in a statement, citing “evidence” that proved that more gun control...