POWER OF ATTORNEY


The undersigned, being a person required to file a statement
 under Section 16(a) of the Securities Exchange Act of 1934
(the 1934 Act) and/or Section 30(h) of the Investment
Company Act of 1940 (the 1940 Act) with respect to Global
 High Income Dollar Fund Inc. (GHI), Insured Municipal
Income Fund Inc. (PIF),  Investment Grade Municipal Income
Fund Inc. (PPM), Managed High Yield Plus Fund Inc. (HYF)
and Strategic Global Income Fund, Inc. (SGL) ( each a
Fund), does hereby authorize, designate and appoint
Joseph Allessie, Mark F. Kemper, Tammie Lee , Eric Sanders
 and Keith A. Weller, and each of them, as his attorney-in
- -fact to execute and file statements on Form 3, Form 4,
Form 5 and any successor forms adopted by the Securities
and Exchange Commission, as required by the 1934 Act and
 the 1940 Act and the rules thereunder, and to take such
 other actions as such attorney-in-fact may deem necessary
 or appropriate in connection with such statements
(including, if necessary, executing and filing applications
 to obtain EDGAR codes in order to make required electronic
 filings), hereby confirming and ratifying all actions that
 such attorney-in-fact has taken or may take in reliance
hereon.  This power of attorney shall continue in effect
until the undersigned no longer has an obligation to file
statements under the sections cited above, or until
specifically terminated in writing by the undersigned.

IN WITNESS WHEREOF, the undersigned has duly executed this
power of attorney as of the 25th  day of September, 2006.





/s/ Kai R. Sotorp
Kai R. Sotorp