Nothing to See Here
by Kegler

Thirteen answers become new words before entry, per 27 Across.

Nothing to See Here grid

Across
1Misbehaves, spilling catsup (4,2)
5“Mother,” Al shot back, “is starting to experience vague discomfort” (7)
11Journalist Nellie admits I'm running a couple of themes every sixty days or so (9)
14Transitional state of branch office, initially (5)
17I'd backed closer to ice cube (3)
18Academy student's initiation of “Peter Piper” excited everybody in front (7)
19Iron-plated circle's edge (6)
20Remnant of burning tree (3)
22Nobleman's pictures discussed (6)
23Chloe's partner, native of Copenhagen, hosting Penny and husband (6)
24Small bladed implement is flat, perhaps (4)
25Cold, like a house in Mexico (4)
26Yes, I scoff, hugging sibling briefly (3)
27See instructions
32Individual was victorious, we hear (3)
34Beginning to grasp red ink's luster (5)
35I can upset old Peruvian (4)
37Encircles English in anger, heading east and south (8)
38Laid-back monitor's face (4)
39Observe tenor taking part in musical group (6)
42Representative interrupted attorney's schedule (6)
46Pontificate in op-ed page first, and then some (within limits) (7)
47Foreign electrical engineer is one to whom property is given (7)
48One soldier amongst the others is most gangly (8)
49Regret, for the most part, repulsive gape and strip with models? (6)
50Both sides being equal, I help celebs with no trace of bias (9)
51Border Patrol agency people holding elected positions (3)
Down
1One female enters club in back (5)
2Fed brown marmoset, at first, inside (1-3)
3Well-groomed gent primarily involved in awful noise (6)
4Supplied a primer for U.N. Communist backing company busy with education (11)
6Mountain climbing; endless play (3)
7Cleaners left agreement (4)
8Dominant males, sad to say, accepting extremes of psychopath (6)
9Rebuilt this mansion as a museum (11)
10Greek island's thoroughfares described (6)
12Heard Kennedy is capturing NE state (5)
13Birds share bananas (5)
15Lived with queen, perhaps, fifth in line for throne (4)
16Draw off a small taste, darling (6)
20Operated comedian Margaret's cattle farm (6)
21Friend pursues ring's gem (4)
24Gismo gradually traps polluted air (4)
28On the way up, mostly annoy second-in-command (4)
29Shines, in the end, preparing fancy meals (6)
30Pros from Oakland, #1 baseball team? Ridiculous (7)
31Loud cry raised in gas kitchens (7)
33Remodels a store and gives a speech (6)
36Covet premiere of Noel Coward (6)
39Petty quarrel from faucets backing up (4)
40Ages of lowly workers quietly ignored (4)
41Oddly contrary, seek out certain digits (4)
43Rod finally came in entryway (4)
44Jewish month's empty stillness cut short (4)
45Some beads we had brought up (3)

Solution