Two senior House Democrats are pushing to subpoena Cambridge Analytica and Giles-Parscale, data consulting firms that worked for the Trump campaign, after both companies were asked about and failed to deny contacts with foreign governments during the 2016 election. The Democrats want to know if the firms or the Trump campaign shared information to help the Russian government or other groups target political messages on social media or otherwise meddle in the 2016 election in a bid to help defeat Hillary Clinton. Reps.