1.
|
Names
of Reporting Persons.
|
WENTWORTH,
HAUSER & VIOLICH, INC.
|
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2.
|
Check
the Appropriate Box if a Member of a Group (See
Instructions)
|
(a) £
(b) £
|
||||
3.
|
SEC
Use Only
|
|||||
4.
|
Citizenship
or Place of Organization
|
UNITED
STATES
|
||||
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON
WITH
|
5.
|
Sole
Voting Power
|
5,951,911
|
|||
6.
|
Shared
Voting Power
|
0
|
||||
7.
|
Sole
Dispositive Power
|
5,951,911
|
||||
8.
|
Shared
Dispositive Power
|
0
|
||||
9.
|
Aggregate
Amount Beneficially Owned by Each Reporting Person
|
5,951,911
|
||||
10.
|
Check
if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
|
£
|
||||
11.
|
Percent
of Class Represented by Amount in Row (9)
|
4.9%
|
||||
12.
|
Type
of Reporting Person (See Instructions)
|
IA
|
Item
1(a).
|
Name
of Issuer:
|
Item
1(b).
|
Address
of Issuer’s Principal Executive
Office:
|
|
6500
Mineral Drive, Suite 200
|
|
Coeur
d’Alene,
Idaho 83815
|
Item
2(a).
|
Name
of Person Filing:
|
Item
2(b).
|
Address
of Principal Business Office or, if none,
Residence:
|
|
353
Sacramento Street, Suite 600
|
|
San
Francisco, CA 94111
|
Item
2(c).
|
Citizenship:
|
Item
2(d).
|
Title
of Class of Securities:
|
Item
2(e).
|
CUSIP
Number:
|
Item
3.
|
If
this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c),
check whether the person filing is
a:
|
|
£
|
(a)
|
Broker
or dealer registered under section 15 of the Act (15 U.S.C.
78o).
|
|
£
|
(b)
|
Bank
as defined in section 3(a)(6) of the Act (15 U.S.C.
78c).
|
|
£
|
(c)
|
Insurance
company as defined in section 3(a)(19) of the Act (15 U.S.C.
78c).
|
|
£
|
(d)
|
Investment
company registered under section 8 of the Investment Company Act
of 1940
(15 U.S.C 80a-8).
|
|
T
|
(e)
|
An
investment adviser in accordance with
§240.13d-1(b)(1)(ii)(E);
|
|
£
|
(f)
|
An
employee benefit plan or endowment fund in accordance with
§240.13d-1(b)(1)(ii)(F);
|
|
£
|
(g)
|
A
parent holding company or control person in accordance with §
240.13d-1(b)(1)(ii)(G);
|
|
£
|
(h)
|
A
savings associations as defined in Section 3(b) of the Federal Deposit
Insurance Act (12 U.S.C. 1813);
|
|
£
|
(i)
|
A
church plan that is excluded from the definition of an investment
company
under section 3(c)(14) of the Investment Company Act of 1940 (15
U.S.C.
80a-3);
|
|
£
|
(j)
|
Group,
in accordance with
§240.13d-1(b)(1)(ii)(J).
|
Item
4.
|
Ownership:
|
Item
5.
|
Ownership
of Five Percent or Less of a
Class:
|
Item
6.
|
Ownership
of More than Five Percent on Behalf of Another
Person:
|
Item
7.
|
Identification
and Classification of the Subsidiary Which Acquired the Security
Being
Reported on By the Parent Holding
Company:
|
Item
8.
|
Identification
and Classification of Members of the
Group:
|
Item
9.
|
Notice
of Dissolution of Group:
|
Item
10.
|
Certification:
|
Dated: February
14, 2008
|
WENTWORTH,
HAUSER & VIOLICH, INC.
By: /s/
Bradford Hall
Bradford
Hall, Chief Compliance Officer
|