diff --git a/my/kython/konsume.py b/my/kython/konsume.py
index 679755c..5fa9f3a 100644
--- a/my/kython/konsume.py
+++ b/my/kython/konsume.py
@@ -127,7 +127,9 @@ def wrap(j, throw=True) -> Iterator[Zoomable]:
     for c in children:
         if not c.this_consumed(): # TODO hmm. how does it figure out if it's consumed???
             if throw:
-                raise UnconsumedError(str(c))
+                raise UnconsumedError(f'''
+Expected {c} to be fully consumed by the parser.
+'''.lstrip())
             else:
                 # TODO log?
                 pass
@@ -172,4 +174,14 @@ def test_consume_all():
         aaa = w['aaa'].zoom()
         aaa['bbb'].consume_all()
 
+
+def test_zoom() -> None:
+    import pytest # type: ignore
+    with wrap({'aaa': 'whatever'}) as w:
+        w = cast(Wdict, w)
+        with pytest.raises(KeyError):
+            w['nosuchkey'].zoom()
+        w['aaa'].zoom()
+
+
 # TODO type check this...
diff --git a/my/reading/polar.py b/my/reading/polar.py
index bcd712f..e7f0825 100755
--- a/my/reading/polar.py
+++ b/my/reading/polar.py
@@ -27,6 +27,7 @@ class polar(user_config):
     Polar config is optional, you only need it if you want to specify custom 'polar_dir'
     '''
     polar_dir: PathIsh = Path('~/.polar').expanduser()
+    defensive: bool = True # pass False if you want it to fail faster on errors (useful for debugging)
 
 
 from ..core import make_config
@@ -63,7 +64,7 @@ class Highlight(NamedTuple):
     created: datetime
     selection: str
     comments: Sequence[Comment]
-
+    tags: Sequence[str]
 
 
 Uid = str
@@ -98,7 +99,7 @@ class Loader:
     def load_item(self, meta: Zoomable) -> Iterable[Highlight]:
         meta = cast(Wdict, meta)
         # TODO this should be destructive zoom?
-        meta['notes'].zoom()
+        meta['notes'].zoom() # TODO ??? is it deliberate?
         meta['pagemarks'].zoom()
         if 'notes' in meta:
             # TODO something nicer?
@@ -153,6 +154,16 @@ class Loader:
             updated = h['lastUpdated'].zoom().value
             h['rects'].ignore()
 
+            # TODO make it more generic..
+            htags: List[str] = []
+            if 'tags' in h:
+                ht = h['tags'].zoom()
+                for k, v in list(ht.items()):
+                    ctag = v.zoom()
+                    ctag['id'].consume()
+                    ct = ctag['label'].zoom()
+                    htags.append(ct.value)
+
             h['textSelections'].ignore()
             h['notes'].consume()
             h['questions'].consume()
@@ -167,6 +178,7 @@ class Loader:
                 created=isoparse(crt),
                 selection=text,
                 comments=tuple(comments),
+                tags=tuple(htags),
             )
             h.consume()
 
@@ -178,7 +190,7 @@ class Loader:
 
     def load_items(self, metas: Json) -> Iterable[Highlight]:
         for p, meta in metas.items():
-            with wrap(meta, throw=False) as meta:
+            with wrap(meta, throw=not config.defensive) as meta:
                 yield from self.load_item(meta)
 
     def load(self) -> Iterable[Result]:
diff --git a/tests/extra/polar.py b/tests/extra/polar.py
index 606e32e..b0611f9 100644
--- a/tests/extra/polar.py
+++ b/tests/extra/polar.py
@@ -27,23 +27,23 @@ def test_orger(prepare: str, tmp_path: Path) -> None:
 
 
 PARAMS = [
+    # 'data/polar/BojanKV_polar/.polar',
     '',
-    'data/polar/BojanKV_polar/.polar',
-    'data/polar/TheCedarPrince_KnowledgeRepository',
-    'data/polar/coelias_polardocs',
-    'data/polar/warkdarrior_polar-document-repository'
+    # 'data/polar/TheCedarPrince_KnowledgeRepository',
+    # 'data/polar/coelias_polardocs',
+    # 'data/polar/warkdarrior_polar-document-repository'
 ]
 
 @pytest.fixture(params=PARAMS)
 def prepare(request):
     dotpolar = request.param
-    if dotpolar != '':
-        pdir = Path(ROOT / dotpolar)
-        class user_config:
-            polar_dir = pdir
+    class user_config:
+        if dotpolar != '': # defaul
+            polar_dir = Path(ROOT / dotpolar)
+        defensive = False
 
-        import my.config
-        setattr(my.config, 'polar', user_config)
+    import my.config
+    setattr(my.config, 'polar', user_config)
 
     import my.reading.polar as polar
     reload(polar)