Display all columns but only unique values in one column

My table looks like this;
ApprovalKey (PK)
ApprovalCCN (Links to main table)
ApprovalName
ApprovalDate
ApprovalMsg
ApprovalResult
Typical data would look like;
Key CCN ApprovalName ApprovalDate ApprovalMsg ApprovalResult
1 1 John Smith 12/12/2014 16:20:22 Testing the message False
2 1 Andy Brown 12/12/2014 16:20:27 testing the decline False
3 1 John Smith 12/12/2014 16:20:46 More testing True
4 1 Andy Brown 12/12/2014 16:25:13 testing True
5 2 Andy Brown 12/12/2014 16:25:26 testing the accept True
6 2 John Smith 12/12/2014 16:34:04 testing, 1 2 True
When I view data from linked table (matched via ApprovalCCN) It should display data from this table but only the latest unique entry from ApprovalName.
eg, table from above has 4 entries for ApprovalCCN=1 but should only show the following;
Key CCN ApprovalName ApprovalDate ApprovalMsg ApprovalResult
3 1 John Smith 12/12/2014 16:20:46 More testing True
4 1 Andy Brown 12/12/2014 16:25:13 testing True
Distinct ApprovalName doesn't return all values and I can't seem to get my head around Group By to view all columns
Any help would be appreciated

Here is my test data;
7 30 John Smith 12/12/2014 16:20:22 Testing the message False
8 30 Andy Brown 12/12/2014 16:20:27 testing the decline False
9 30 John Smith 12/12/2014 16:20:46 More testing True
10 30 Andy Brown 12/12/2014 16:25:13 testing True
20 30 David Jones 12/12/2014 16:25:26 testing False
21 30 David Jones 12/12/2014 16:34:04 Testing the message True
25 30 Me 12/12/2014 16:35:05 testing the decline False
26 28 You 12/12/2014 16:36:05 testing the decline False
27 28 Me 12/12/2014 16:37:05 testing True
28 28 John Smith 12/12/2014 16:38:05 testing the decline False
29 28 David Jones 12/12/2014 16:39:05 testing the decline False
30 30 David Jones 14/12/2014 17:39:44 True
31 29 David Sawyer 14/12/2014 18:51:06 declining the offer False
32 29 David Sawyer 14/12/2014 18:51:37 My message False
33 29 David Sawyer 14/12/2014 18:52:01 another message False
34 29 David Sawyer 14/12/2014 18:52:16 True
35 29 David Sawyer 14/12/2014 18:52:25 True
36 29 David Sawyer 14/12/2014 18:52:34 True
If ApprovalCCN=30 I get the following;
10 30 Andy Brown 2014-12-12 16:25:13.000 testing 1 1
30 30 David Jones 2014-12-14 17:39:44.000 1 2
9 30 John Smith 2014-12-12 16:20:46.000 More testing 1 1
25 30 Me 2014-12-12 16:35:05.000 testing the decline 0 1
All I need is 3 Approved, 1 Declined
Apologies if I wasn't clear

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