Santorum endorses Mourdock in Indiana Senate race

Mourdock also has the backing of anti-tax stalwart Grover Norquist, former Alaska Gov. Sarah Palin, and Minnesota Rep. Michele Bachmann. Lugar is endorsed by Arizona Sen. John McCain and Indiana Gov. Mitch Daniels…

Santorum has said campaigning for and supporting conservatives in House and Senate races will be part of his next venture since leaving the GOP presidential primary.

Santorum sent an email to supporters Friday saying he will be making an “exciting announcement about what I will be doing next…but before I can make this announcement, I need to spend some time erasing my remaining campaign debt.”