AXIOS (Alex Isenstadt) - Trump speech gives TV networks a tough choice
President Trump 's primetime address Thursday night is forcing TV networks to choose: Air potential 2020 election falsehoods, or risk backlash from a White House that's shown little hesitation in confronting the media. Why it matters: What usually would be a straightforward decision to carry a presidential address has become a high-stakes editorial judgment for broadcast networks. Driving the news: Trump has said that his 9 p.m. ET speech from the East Room will focus on "free and fair elections." He has promised a "very big announcement" and "really big news" regarding the security of the U.S. voting system. - He hasn't specifically said whether he'll bring up the 2020 election — an obsession of Trump's since he lost it and cried…