Democrats are launching an attack on Wall Street dealmakers

As they aim to rebound from the 2016 election cycle, Congressional Democrats are training their sights on a new enemy: mega-mergers. 
Democrats unveiled a new platform Monday that in part calls for a crack down on "corporate monopolies," blaming industry consolidation for stagnant wage growth, hiking consumer prices, and hampering small businesses' abilities to compete.
In outlining its plan — which harkens back to the trust-busting days of the early-20th cent