On deals and dealmakers. : HOUSEKEEPING: I’ll be in San Francisco next week, so my wonderful colleague Lucinda Shen will be compiling the deals below. This means that if you have a deal for Term Sheet, please send it to Lucinda at lucinda.shen@fortune.com. Thank you in advance! BOMBSHELL DEAL: Walmart is in preliminary talks to buy insurer Humana Inc, according to The Wall Street Journal. If the deal goes through, it would be the retail giant’s largest one by far as Humana has a market value of approximately $37 billion.