PHILADELPHIA — The 2016 Democratic National Convention is underway, and the factual inaccuracies on the first night focused on income, college tuition and something the Republican ticket had said or done. Pennsylvania Sen. Bob Casey said Republican presidential nominee Donald Trump “would cut taxes for the richest Americans at the expense of the middle class.” But all income levels would get some tax relief under Trump’s plan. Connecticut Gov. Dannel Malloy wrongly claimed that Mike Pence, the GOP vice presidential nominee, “signed a law that would have forced women to hold funerals for fetuses.” The law said aborted or miscarried...