Potpourri

Across

The act of flipping a coin (4)
A feeling of excitement (10)
10 Use of needle and thread (6)
11 Relating to or belonging to the Middle Ages (8)
12 Someone who enters by force in order to conquer (8)
14 Small air-breathing arthropod (6)
16 The present location; this place (4)
17 In the middle of (5)
18 A loose material consisting of grains of rock or coral (4)
19 A crackling or hissing noise cause by electrical interference (6)
21 A small compact computer (8)
23 The day after today (8)
26 In a foreign country (6)
27 The image that appears in a mirror (10)
28 Feline mammals (4)

Down

Political authority (10)
A statement indicating the likely cost of some job (8)
Group of sports clubs (6)
A slender structure that supports a plant (4)
Holding close, as for affection, comfort, or warmth (8)
People who work digging for minerals, especially coal (6)
The largest continent with 60% of the earth's population (4)
13 And the dish ran away with the _____ (5)
15 Speech sounds other than vowels (10)
17 Precision; exactness (8)
18 To take away; deduct (8)
20 A streetcar (6)
22 Linked railroad cars (6)
24 Used for baking or roasting (4)
25 To beat into a froth or foam (4)