Joe Biden and VP Kamala Harris held a White House event Thursday marking the day the first round of child tax credit payments go out to some 39 million American families. 'This is a middle class tax cut,' Biden said. 'This is a tax cut for having children.' The tax credits were part of the $1.9 trillion American Rescue Plan which was passed by Congress in March with no Republican support. Republicans have argued that the child tax credit boost amounts to an expansion of the welfare state. 'We'll probably hear from our Republican friends all who voted against this,...