The impeachment inquiry of U.S. President Donald Trump could turn into a big risk for House Democrats, especially if it gets drawn out, experts told CNBC. Democrats should try to go through the process as quickly as possible, as it could spark sympathy for Trump if it drags on, said Larry Sabato, founder and director of the University of Virginia Center for Politics. On Tuesday, House Speaker Nancy Pelosi announced that the U.S. House of Representatives will begin an official impeachment inquiry into Trump over his efforts to push Ukraine to investigate a potential 2020 election rival, former Vice President...