Question: Which magazine named this American politician as one of America's Best Senators in 2006, whom Mark Lawrence challenged for the 2000 U.S. Senate election and lost?

Context paragraphs:
Tom Fiegen: Thomas Lewis "Tom" Fiegen (born October 2, 1958) is an American attorney and Democratic Party politician.  He served in the Iowa State Senate from 2001 to 2003.  He sought the Democratic nomination in the 2010 U.S. Senate election in Iowa but came in third against Roxanne Conlin who won the primary, with Bob Krause coming in second.  Fiegen again sought the Democratic nomination in the 2016 U.S. Senate election in Iowa, repeating his third-place showing.  Fiegen endorsed Bernie Sanders for president prior to Sanders' endorsement of fellow candidate Hillary Clinton.

Ron DeSantis: Ronald Dion DeSantis (born September 14, 1978) is an American politician who has been the United States Representative for Florida 's 6 congressional district since 2013.  A member of the Republican Party, he ran in Florida's 2016 U.S. Senate election; however, DeSantis withdrew from the race following incumbent Senator Marco Rubio's announcement that he would seek reelection to the Senate, reversing his initial pledge not to run, on June 22, 2016.  After Rubio's decision to re-enter the U.S. Senate race, DeSantis opted to run for re-election to his U.S. House seat.

Mark Lawrence (politician): Mark W. Lawrence (born June 27, 1958) is an American lawyer and politician from Maine.  He was born in Kittery, Maine, the Democrat, Lawrence served in the Maine State Legislature from 1988-2000.  He was elected as the President of the 118th Maine Senate in December 1996 and then elected as President of the 119th Maine Senate in December 1998, serving in that capacity until 2000.  He challenged Republican incumbent Olympia Snowe in the 2000 U.S. Senate election and lost.  He lost in the Democratic primary for the open seat in the 1st congressional district in 2008.  He served from 2003-2010 as the York County District Attorney and did not seek re-election in 2010.  He returned to private practice in South Berwick, Maine.  In November 2016, he was elected to the Maine House of Representatives.

Mark E. Clayton: Mark E. Clayton (born 1977) is an American politician who was the Democratic nominee in the 2012 U.S. Senate election in Tennessee.  In the August 2 primary election, Clayton received his party's nomination with roughly 30 percent of the vote in a multi-candidate field.  There is no runoff election in Tennessee; therefore with less than a third of the votes cast, Clayton became his party's nominee.  The day after his nomination, the Tennessee Democratic Party disavowed his candidacy, citing Clayton's conservative and libertarian views.  Clayton lost to incumbent Republican Bob Corker in the November 6 general election.

C. Anthony Muse: C. Anthony Muse (born April 17, 1958) is an American politician and minister from Maryland and a member of the Democratic Party.  He is currently serving in his third term in the Maryland State Senate, representing Maryland's District 26 in southern Prince George's County.  He is also the Senior Pastor of the Ark of Safety Christian Church in Upper Marlboro, Maryland.  In the 2012 U.S. Senate election in Maryland, Muse unsuccessfully challenged incumbent Ben Cardin in the Democratic primary, receiving about 16% of the vote to Cardin's 74%.  Muse is married to WRC-TV news anchor Pat Lawson-Muse.

Olympia Snowe: Olympia Jean Snowe (born February 21, 1947) is an American politician who was a United States Senator from Maine from 1995 to 2013.  Snowe, a member of the Republican Party, became widely known for her ability to influence the outcome of close votes, including whether to end filibusters.  In 2006, she was named one of America's Best Senators by "Time" Magazine.  Snowe was famously known for her ability to compromise and her strong sense of bipartisanship.  Along with Susan Collins, she was considered one of the most moderate Republicans in office.

Mark Earley: Mark Lawrence Earley (born July 26, 1954) is an American politician and Virginia lawyer.  As a member of the Republican Party, he was elected to the Virginia State Senate (1988–1998), and then elected Attorney General of Virginia (1998 to 2001).  In 2001, he resigned as Attorney General to focus his time on the 2001 campaign for Governor of Virginia.  He ran to succeed James Gilmore, but lost to businessman and Democratic Party leader Mark Warner.

Josh Mandel: Joshua A. Mandel (born September 27, 1977) is an American Republican politician who is the incumbent State Treasurer of Ohio.  Mandel has held elected office since 2003: as a city councilman, from 2003 to 2007; as a member of the Ohio House of Representatives, from 2007 to 2011; and as state treasurer since 2011.  He was the Republican challenger to incumbent Senator Sherrod Brown in the 2012 U.S. Senate election in Ohio, but was defeated.  In 2016, he announced his intention to again challenge Brown in the 2018 U.S. Senate election in Ohio.

United States Senate election in New Jersey, 2006: The 2006 United States Senate election in New Jersey was held on November 7, 2006.  Incumbent Democratic U.S. Senator Bob Menendez was elected to represent New Jersey in the United States Senate for a six-year term which ended in January 2013.  The seat was previously held by Democratic Governor of New Jersey Jon Corzine.  After he stepped down from his Senate seat and was sworn in Governor, Corzine appointed Rep. Menendez, who was sworn in on January 18, 2006.  Menendez was challenged by Republican Thomas Kean, Jr. and seven other candidates.  Filing for the primary closed on April 10, 2006.  The primary election was held on June 6, 2006.  Menendez became the first Hispanic to hold a U.S. Senate seat from New Jersey, and was the first Latino elected to statewide office in the state.

United States Senate election in Maine, 2000: The 2000 United States Senate election in Maine was held November 7, 2000.  Incumbent Republican U.S. Senator Olympia Snowe was re-elected to a second term, defeating Democratic candidate Mark Lawrence.

Supporting paragraphs: Mark Lawrence (politician) Olympia Snowe
Answer: Time