Cryptic crossword No 2,894

Across

1. Westbound Yankee republican and Highlander perhaps with key phrase to rally behind (6,3)
2. Jubilant still after peace regularly seen (8)
3. Instrumental track for snares oddly done in seconds (5)
4. Work with post office to get damaging political information (4)
5. Henry or Edward left ship with tiny singer (6,4)
6. Loudly beg for game (4)
7. Choke as local club team eroded (10)
8. Husband excites gossip before date with that man at entrance to Hyde Park (9,5)
9. This magnifies ring, say (5)
10. Rebel faction trapped by defence does not live (9)
11. Making no-good energy supplement (8)
12. Great man taking drug for decades essentially just survives (4,2)
13. Guardian of treasure drained of life ultimately by concerning shadow caster (6)
14. Do French, who submit after evacuation, love strangeness in invaders? (14)

Down

1. Balls up problem, sob softly, burn papers -- is my yen to flee? (14)
2. Hire others to work in courteous arrangement (9)
3. Truss inspires radical outburst (6)
4. Quiet before a cool, hip remix: "Big Spender" (10)
5. Taunt soldier on British base (4)
6. Part of trunk noble discovered near India on interminable voyage (8)
7. Time spent has no right meaning (5)
8. Spooner's superior old witches — they're usually found by skulls (10)
9. Exercise knowledge going north, see rook and locations of twelve identical birds (4,5)
10. Hurry through example page and revise first of essays (8)
11. Agree with fool on empty books (6)
12. Suspend ace stuck in 'pen (4)
13. Connection letting one walk via chillest end onto bridges (8,6)
14. Purple mum you view on occasion (5)