The House and Senate Judiciary committees are likely to hold hearings on health care giant CVS Health's plan to purchase Aetna for $69 billion, according to a health care analyst who predicts the mergers will face fewer hurdles than Aetna's earlier move to combine with Humana -- but still may not be a slam dunk. Ipsita Smolinski, managing director of Capital Street, said in a client memo that the deal, which could create a $240 billion company should it go...