Road ahead: Public impeachment hearings begin

Road ahead: Public impeachment hearings begin-rollcall: The public phase of the House impeachment inquiry begins this week, with three witnesses set to air concerns Wednesday and Friday that President Donald Trump attempted to tie Ukrainian military aid to an investigation of former Vice President Joe Biden, a potential Democratic rival in 2020. Much of the attention on Capitol Hill will be focused on the House Intelligence Committee as it opens up to televised questioning and testimony an investigation that so far had been conducted in a secure closed-door facility in the basement of the Capitol.