North American Headlines at 4:09 a.m. EDT

House Democrats ask IRS to provide Trump's tax returns

Arrest revives security concerns at Trump's Florida estate

House Judiciary panel approves subpoenas for Mueller report

Justice reform activists want more ideas from Dem candidates

LGBT progress seen in Lightfoot's win, rise of 'Mayor Pete'

O'Rourke plays catch-up to Sanders, Harris in 2020 cash race

Trump team and China resume uphill effort to end trade rift

Biden: I'll be more mindful of respecting personal space

Peacekeeping chief: UN backs desire for end to Haiti mission

Trump claims he wasn't seeking pre-election health care vote