Tuesday Afternoon Links

[Bloomberg] Dollar Gains, Stocks Slip Before Fed as Oil Slumps: Markets Wrap

[CNBC] White House on Obamacare repeal: 'This is it,' passing another plan will be 'unbelievably difficult'

[Bloomberg] Puerto Rico Bonds Decline After Recovery Plan Leaves Less for Paying Debts

[NYT] Fed’s Challenge, After Raising Rates, May Be Existential

[WSJ] Investors View Junk Bonds as Most Overvalued in A Decade

[FT] Janet Yellen walks delicate Fed path on mortgage-backed bonds

[FT] Hugh Hendry’s zero-carry package

[Reuters] Turkey's Erdogan warns Dutch, minister floats economic sanctions