A lawyer representing former President Trump at his impeachment trial next week plans to argue that convicting Trump of inciting a riot would imperil all political speech.Speaking Monday night on Fox News's "Hannity," attorney David Schoen laid out a three-pronged strategy for Trump's defense.Schoen and attorney Bruce Castor plan to argue that it is unconstitutional to impeach a former president, that some of the rioters planned to storm the...