TREASURIES-Bonds rise before jobless data, 7-year sale

* 7-year auction demand uncertain after lackluster 5-year sale * In-line jobless claims seen not opposing Bernanke's view * U.S. Fed to sell up to $8.75 bln in short-dated debt * Treasury yields linger near two-week lows By Richard Leong NEW YORK, March 29 (Reuters) - U.S. government debt prices rose on Thursday in advance of data on jobless claims and a $29 billion auction of seven-year notes. Nagging jitters about the euro zone's fiscal woes and the perception the Fe