The issue focused on Donald Trump's continuing refusal to release his tax returns. Trump said his lawyers told him not to release them because they're under audit. But even after Trump released his returns on Monday, there were still questions about whether they showed any unusual payments from foreign governments.

Since Trump started releasing his returns, some Democrats have argued that his refusal to release them amounts to political obstruction of justice. They've pointed to Trump's refusal to release his tax returns as evidence that he would hide information about potential